12-Letter Words That Start with A
- abandonments
- abbreviating
- abbreviation
- abbreviators
- abbreviatory
- abecedarians
- aberrational
- abirritation
- abirritative
- abjectedness
- abnormalness
- abolitionary
- abolitionise
- abolitionism
- abolitionist
- abolitionize
- abominations
- aboriginally
- abortionists
- abortiveness
- abracadabras
- abrasiveness
- abridgements
- abruptnesses
- absentminded
- absoluteness
- absolutistic
- absorbedness
- absorptively
- absorptivity
- absquatulate
- abstemiously
- abstractedly
- abstractions
- abstractness
- abstruseness
- abstrusities
- academically
- academicians
- acanthaceous
- acaulescence
- accelerandos
- accelerating
- acceleration
- accelerative
- accelerators
- acceleratory
- accelerogram
- accentuality
- accentuating
- accentuation
- acceptations
- accessioning
- accessorized
- accessorizes
- acciaccatura
- accidentally
- acclamations
- acclimatable
- acclimatised
- acclimatises
- acclimatized
- acclimatizer
- acclimatizes
- accommodable
- accommodated
- accommodates
- accommodator
- accompanists
- accompanying
- accompanyist
- accomplished
- accomplisher
- accomplishes
- accordionist
- accouchement
- accouplement
- accouterment
- accoutrement
- accreditable
- accretionary
- accroachment
- acculturated
- accumulating
- accumulation
- accumulative
- accumulators
- accurateness
- accursedness
- accusatively
- accusatorial
- accustomedly
- acenesthesia
- acetaldehyde
- acetonitrile
- acetophenone
- acetostearin
- achievements
- achlamydeous
- achlorhydria
- achromatopia
- acidophilous
- acknowledged
- acknowledger
- acknowledges
- acmaesthesia
- acoustically
- acousticians
- acoustimeter
- acoustooptic
- acquaintance
- acquiescence
- acquirements
- acquisitions
- acquittances
- acritarchous
- acrocephalia
- acrocephalic
- acrocyanosis
- acrogenously
- acronychally
- acrophonetic
- acrostically
- actinography
- actinometric
- actinomorphy
- actinomycete
- activization
- acupunctural
- acutilingual
- adaptability
- adaptational
- adaptiveness
- addictedness
- additionally
- addlebrained
- adenological
- adenosarcoma
- adenoviruses
- adequateness
- adhesiveness
- adiaphoresis
- adiaphoretic
- adiponitrile
- adjectivally
- adjournments
- adjudicating
- adjudication
- adjudicative
- adjudicators
- adjudicatory
- adjunctively
- adjustmental
- adminiculary
- administered
- administrant
- administrate
- admirability
- admiratively
- admonishment
- admonitorial
- admonitorily
- adolescences
- adolescently
- adoptability
- adorableness
- adroitnesses
- adscititious
- adsorptively
- adularescent
- adulterating
- adulteration
- adulterators
- adulteresses
- adulterously
- adumbrations
- advancements
- advantageous
- adventitious
- adventureful
- adventurisms
- adversaryism
- advertisable
- advertisings
- advertizable
- advertorials
- advisability
- aelurophilia
- aelurophilic
- aelurophobia
- aelurophobic
- aeolotropism
- aerification
- aeroallergen
- aerodonetics
- aerodynamics
- aeroelastics
- aeroembolism
- aeromagnetic
- aeromechanic
- aeromedicine
- aeronautical
- aeroneurosis
- aerostatical
- aesthetician
- aestheticise
- aestheticism
- aestheticize
- aestivations
- aethereality
- aetiological
- affabilities
- affectations
- affectedness
- affectionate
- affectlessly
- affiliations
- affirmations
- affirmatives
- afflictively
- afforestment
- affranchised
- affrontingly
- aforethought
- afterburners
- afterburning
- aftereffects
- aftershafted
- afterthought
- agamogenesis
- agamogenetic
- agaricaceous
- agglomerated
- agglomerates
- agglomerator
- agglutinable
- agglutinated
- agglutinates
- agglutinogen
- aggrandizing
- aggravations
- aggregations
- aggressively
- aggressivity
- aggrievement
- agnostically
- agnosticisms
- agreeability
- agribusiness
- agrichemical
- agricultural
- agricultures
- agriological
- agrobacteria
- agrobiologic
- agrobusiness
- agrochemical
- agroforester
- agroforestry
- agroindustry
- agrostologic
- aiguilletted
- aiguillettes
- ailurophiles
- ailurophilia
- ailurophilic
- ailurophobia
- ailurophobic
- aircraftsman
- aircraftsmen
- airfreighted
- airtightness
- albuminoidal
- albuminurias
- alcaptonuria
- alchemically
- alcoholicity
- alcoholizing
- aldermanship
- alembication
- alethiologic
- alexandrites
- alexipharmic
- alexithymias
- algesiometer
- algometrical
- alienability
- alimentation
- alimentative
- alkahestical
- alkalescence
- alkalescency
- alkalifiable
- alkalimetric
- alkalinizing
- alkalization
- alkaptonuria
- allegorising
- allegoristic
- allegorizing
- allelomorphs
- allelopathic
- allergically
- alleviations
- alligatoring
- alliterating
- alliteration
- alliterative
- alliumphobia
- alliumphobic
- alloantibody
- alloiometric
- allomorphism
- allonymously
- allotropical
- alluringness
- allusiveness
- almightiness
- alphabetical
- alphabetised
- alphabetiser
- alphabetized
- alphabetizer
- alphabetizes
- alphanumeric
- alphitomancy
- alstroemeria
- alterability
- altercations
- alternations
- alternatives
- altiloquence
- altimetrical
- altitudinous
- alveopalatal
- amalgagender
- amalgamating
- amalgamation
- amalgamative
- amalgamators
- amateurishly
- ambassadress
- ambidextrous
- ambisextrous
- ambisinister
- ambisyllabic
- ambitendency
- ambitionless
- ambivalences
- ambivalently
- ambrettolide
- ambulatories
- ambulatorily
- ameliorating
- amelioration
- ameliorative
- amelioratory
- ameloblastic
- amelogenesis
- amenableness
- amenorrhoeal
- amenorrhoeic
- amentiferous
- amethystlike
- amiabilities
- amianthoidal
- amicableness
- aminobenzene
- amitotically
- amortisation
- amortization
- amortizement
- amperometric
- amphetamines
- amphibiously
- amphiblastic
- amphibolitic
- amphibrachic
- amphicarpous
- amphicoelous
- amphictyonic
- amphidentate
- amphidiploid
- amphisbaenae
- amphisbaenas
- amphisbaenic
- amphistomous
- amphitheater
- amphitheatre
- amphithecial
- amphithecium
- amphitropous
- amphotericin
- ampullaceous
- amygdaliform
- amygdaloidal
- anabolically
- anachronisms
- anacrogynous
- anaerobiosis
- anaesthetics
- anaesthetise
- anaesthetist
- anaesthetize
- anagenetical
- anaglyphical
- anaglyptical
- anagogically
- anagrammatic
- analogically
- analphabetic
- analytically
- anamorphoses
- anamorphosis
- anaphrodisia
- anaphylactic
- anaplasmosis
- anapophysial
- anaptyctical
- anarchically
- anarthrously
- anastigmatic
- anastomosing
- anathematise
- anathematize
- anatomically
- anatomizable
- ancestresses
- anchorperson
- andragogical
- androcentric
- androclinium
- androgenesis
- androsterone
- anecdotalism
- anecdotalist
- anelasticity
- anemochorous
- anemographic
- anemological
- anemophilous
- anemotropism
- anencephalia
- anencephalic
- anepigraphic
- anesthetists
- anesthetized
- anesthetizes
- aneurismally
- aneurysmally
- angioblastic
- angiocarpous
- angiogenesis
- angiographic
- angiologists
- angiosarcoma
- anguilliform
- angularities
- angulateness
- animadverted
- animadverter
- animalculine
- animalculous
- animatronics
- anisaldehyde
- anisogametic
- anisomorphic
- anisotropism
- ankylosaurus
- annexational
- annihilating
- annihilation
- annihilative
- annihilators
- annihilatory
- announceable
- announcement
- annoyingness
- annunciating
- annunciation
- annunciative
- annunciators
- annunciatory
- anorthoclase
- anorthositic
- antagonising
- antagonistic
- antagonizing
- antanaclasis
- antarthritic
- antasthmatic
- antecedences
- antecedental
- antecedently
- antechambers
- antediluvian
- antemeridian
- anteposition
- anteprandial
- anthelmintic
- antherozoids
- anthocarpous
- anthological
- anthologists
- anthologized
- anthologizer
- anthologizes
- anthophilous
- anthracitous
- anthranilate
- anthropogeny
- anthropoidal
- anthropology
- anthroponomy
- anthroponymy
- antiabortion
- antiacademic
- antiaircraft
- antialiasing
- antiallergic
- antiantibody
- antibacchius
- antiblackism
- antiburglary
- antibusiness
- anticatalase
- anticatalyst
- anticathexis
- anticipating
- anticipation
- anticipative
- anticipators
- anticipatory
- anticivilian
- anticlerical
- anticlimaxes
- anticlogging
- anticlotting
- anticolonial
- anticonsumer
- anticreation
- anticreative
- anticritical
- anticultural
- anticyclical
- anticyclones
- anticyclonic
- anticynicism
- antidemocrat
- antideuteron
- antidiabetic
- antidilution
- antidilutive
- antidiuretic
- antidogmatic
- antidomestic
- antidynastic
- antieconomic
- antiegoistic
- antielectron
- antiestrogen
- antifeminine
- antifeminism
- antifeminist
- antifriction
- antigambling
- antigenicity
- antiglobulin
- antihalation
- antihegemony
- antihumanism
- antihumanist
- antihumanity
- antihydrogen
- antihygienic
- antihypnotic
- antihysteric
- antikickback
- antilegomena
- antileukemic
- antileveling
- antiliteracy
- antiliterate
- antiliturgic
- antilogistic
- antilynching
- antimacassar
- antimagnetic
- antimalarial
- antimedicine
- antimedieval
- antimeridian
- antimethodic
- antimilitant
- antimilitary
- antimodernly
- antimonarchy
- antimonopoly
- antimoralism
- antimoralist
- antimorality
- antinarcotic
- antinatalism
- antinatalist
- antinational
- antinauseant
- antinepotism
- antineuritic
- antineutrino
- antinihilism
- antinihilist
- antinovelist
- antinutrient
- antioptimism
- antioptimist
- antiorthodox
- antioxidants
- antioxidizer
- antipacifism
- antipacifist
- antipapalist
- antipapistic
- antiparabema
- antiparallel
- antiparticle
- antipathetic
- antipathogen
- antiperiodic
- antiphonally
- antiphrastic
- antiphysical
- antipiracies
- antipleasure
- antipoaching
- antipoetical
- antipolitics
- antipredator
- antipruritic
- antipsalmist
- antipyretics
- antiquarians
- antirachitic
- antirational
- antireaction
- antireactive
- antireducing
- antireformer
- antireligion
- antiromantic
- antiroyalism
- antiroyalist
- antisedition
- antisemitism
- antisensuous
- antisexually
- antiskidding
- antisocially
- antisocietal
- antispending
- antispreader
- antistrophal
- antistrophes
- antistrophic
- antisuffrage
- antisymmetry
- antitakeover
- antitartaric
- antitaxation
- antitheology
- antithetical
- antithrombin
- antiunionism
- antiunionist
- antiviolence
- antoninianus
- antonomastic
- aoristically
- aortographic
- apartmentise
- apartmentize
- aperiodicity
- aphorismatic
- aphrodisiacs
- apicomplexan
- apiculturist
- aplacophoran
- aplanogamete
- apocalyptist
- apochromatic
- apocryphally
- apocynaceous
- apogamically
- apogeotropic
- apographical
- apolitically
- apologetical
- apostatising
- apostatizing
- apostleships
- apostolicism
- apostolicity
- apostrophise
- apostrophize
- apothecaries
- apothegmatic
- apotheosised
- apotheosized
- apotheosizes
- apparatchiks
- apparentness
- apparitional
- appassionato
- appeasements
- appellations
- appellatives
- appendectomy
- appendicitis
- appendicular
- apperceiving
- apperception
- apperceptive
- appertaining
- appetisingly
- appetizingly
- applaudingly
- appleknocker
- applications
- appoggiatura
- appoggiature
- appointments
- apportioning
- apposability
- appositeness
- appositional
- appositively
- appraisement
- appraisingly
- appraisively
- appreciating
- appreciation
- appreciative
- appreciators
- appreciatory
- apprehending
- apprehension
- apprehensive
- apprenticing
- appressorium
- approachable
- approachless
- approbations
- appropriable
- appropriated
- appropriates
- appropriator
- approvedness
- approximated
- approximates
- appurtenance
- apterygotous
- aquaceutical
- aquacultural
- aquicultural
- arachnophobe
- araeosystyle
- arbitraments
- arbitrations
- arborescence
- arborization
- archaeometry
- archdeaconry
- archdiocesan
- archdioceses
- archegoniate
- archeologist
- archeopteryx
- archesporial
- archesporium
- archetypally
- archetypical
- archibenthos
- archiblastic
- archipelagic
- archipelagos
- archiphoneme
- archiplasmic
- architecture
- archoplasmic
- archosaurian
- arenaviruses
- arfvedsonite
- argillaceous
- aristocratic
- arithmomancy
- armamentaria
- aromatherapy
- aromatically
- aromaticness
- arousability
- arpeggiation
- arraignments
- arrangements
- arrenotokous
- arrhythmical
- arrogatingly
- arseniureted
- arsenopyrite
- arsphenamine
- arterialized
- arteriograms
- artfulnesses
- arthrodirous
- arthrography
- arthropathic
- arthroplasty
- arthropodous
- arthroscopic
- arthrosporic
- articulately
- articulating
- articulation
- articulative
- articulators
- articulatory
- artificially
- artilleryman
- artillerymen
- artiodactyls
- artistically
- ascendancies
- ascendencies
- ascensionist
- ascertaining
- ascomycetous
- ascriptively
- asparaginase
- asparaginous
- asphyxiating
- asphyxiation
- aspirational
- assassinated
- assassinates
- assassinator
- assaultively
- assbackwards
- assemblagist
- assessorship
- asseverating
- asseveration
- asseverative
- asseveratory
- assibilation
- assignations
- assimilating
- assimilation
- assimilative
- assimilators
- assimilatory
- associations
- assuagements
- assumability
- assumptively
- astigmatizer
- astigmometer
- astigmometry
- astigmoscope
- astonishedly
- astonishment
- astoundingly
- astrictively
- astringently
- astrobiology
- astrocompass
- astrogeology
- astrographic
- astrolabical
- astrological
- astrologists
- astronautics
- astronomical
- astrophysics
- astrotourism
- astrotourist
- astroturfing
- asymmetrical
- asymptomatic
- asymptotical
- asynchronism
- asynchronous
- atheoretical
- atheromatous
- athletically
- athrocytosis
- athwartships
- atmospherics
- atmospherium
- atorvastatin
- attemperment
- attenuations
- attestations
- attitudinise
- attitudinize
- attorneyship
- attractingly
- attractively
- attributable
- attributions
- auctioneered
- audiological
- audiometrist
- audiovisuals
- auditorially
- augmentation
- augmentative
- auriculately
- aurification
- auscultating
- auscultation
- auscultative
- auscultatory
- auspiciously
- autarkically
- authenticate
- authenticity
- authorizable
- autistically
- autoallogamy
- autoanalysis
- autoanalyzer
- autoantibody
- autocephalic
- autochthones
- autocomplete
- autocratical
- autodestruct
- autodidactic
- autoeciously
- autoexposure
- autogenously
- autographing
- autohypnosis
- autohypnotic
- autoignition
- autoimmunity
- automaticity
- automobiling
- automobilist
- automorphism
- autonomously
- autopopulate
- autorickshaw
- autoromantic
- autorotation
- autotoxaemia
- autoxidation
- availability
- avariciously
- aversiveness
- aviculturist
- avitaminosis
- avitaminotic
- avuncularity
- awardability
- awesomesauce
- axisymmetric
- ayuntamiento
- azathioprine
- azophenylene