- Hermit of St. Augustine
- hermit thrush
- Hermod
- Hermon
- Hermosa Beach
- Hermosillo
- Hermoupolis
- hern
- Hernández
- Herndon
- Herne
- hernia
- herniate
- herniated disk
- herniation
- hernio-
- hernioplasty
- herniorrhaphy
- herniotomy
- hernshaw
- hero
- Hero
- Hero's formula
- Herod
- Herod Agrippa
- Herod Agrippa I
- Herod Agrippa II
- Herod Antipas
- Herodian
- Herodias
- Herodotus
- Herod the Great
- heroic
- heroic age
- heroic couplet
- heroic drama
- heroicize
- heroicomic
- heroic poem
- heroic quatrain
- heroics
- heroic stanza
- heroic tenor
- heroic verse
- heroin
- heroin chic
- heroine
- heroism
- heroize
- Hérold
- heron
- Heron
- heron's-bill
- heronry
- Herophilus
- hero sandwich
- hero worship
- hero-worship
- herp
- herp.
- herpangina
- herp derp
- herpes
- herpes genitalis
- herpes labialis
- herpes simplex
- herpesvirus
- herpes zoster
- herpetic
- herpetol.
- herpetologist
- herpetology
- herptile
- Herr
- Herrenvolk
- Herrera
- Herrick
- Herrin
- herring
- herringbone
- herringbone bond
- herringbone bridging
- herringbone gear
- herringbone stitch
- herringchoker
- herring gull
- Herriot
- Herrmann
- Herrnhuter
- herry
- hers
- Herschel
- herself
- Hersey
- Hershey
- Herskowitz
- Herstmonceux
- herstory
- Herter
- Hertford
- Hertfordshire
- Hertogenbosch
- Herto man
- Herts
- hertz
- Hertz
- Hertz effect
- Hertzian wave
- Hertzog
- Hertzsprung
- Hertzsprung-Russell diagram
- Herzberg
- Herzegovina
- Herzen
- Herzl
- Herzog
- hESC
- Heseltine
- Heshvan
- Hesiod
- Hesione
- hesitancy
- hesitant
- hesitate
- hesitation
- hesitation waltz
- hesitative
- Hesper
- Hespere
- Hesperia
- Hesperian
- Hesperides
- hesperidin
- hesperidium
- hesperinos
- hesperornis
- Hesperus
- Hess
- Hesse
- Hesse, Hermann
- Hesselman engine
- Hesse-Nassau
- hessian
- Hessian
- Hessian boot
- Hessian boots
- Hessian fly
- hessite
- hessonite
- hest
- Hester
- Hestia
- Heston and Isleworth
- Hesychast
- het
- hetaera
- hetaerism
- hetaira
- heterarchy
- hetero
- hetero-
- hetero–
- heteroaromatic
- heteroatom
- heteroauxin
- heteroblastic
- heterocarpy
- heterocercal
- heterochlamydeous
- heterochromatic
- heterochromatin
- heterochrome
- heterochromosome
- heterochromous
- heterochrony
- heterochthonous
- heteroclite
- heterocyclic
- heterocyst
- heterodactyl
- heterodactylous
- heterodont
- heterodox
- heterodoxy
- heterodyne
- heteroecious
- heteroecism
- heteroflexible
- heterogamete
- heterogametic
- heterogamous
- heterogamy
- heterogeneity
- heterogeneous
- heterogenesis
- heterogenetic
- heterogenous
- heterogonous
- heterogony
- heterograft
- heterography
- heterogynous
- heterokaryon
- heterokaryosis
- heterokont
- heterolecithal
- heterologous
- heterology
- heterolysis
- heteromerous
- heterometabolous
- heteromorphic
- heteronomous
- heteronomy
- heteronormative
- heteronym
- heteronymous
- Heteroousian
- heteropatriarchy
- heterophil
- heterophobia
- heterophony
- heterophoria
- heterophyllous
- heterophyte
- heteroplasia
- heteroplasty
- heteroploid
- heteropolar
- heteropterous
- heteroptics
- heteroromantic
- heteroscedastic
- heterosex
- heterosexism
- heterosexual
- heterosexuality
- heterosis
- heterosocial
- heterosporous
- heterospory
- heterostracan
- heterostyled
- heterostyly
- heterotactic
- heterotaxis
- heterotelic
- heterothallic
- heterotopia
- heterotrich
- heterotroph
- heterotrophic
- heterotypic
- heterozygosis
- heterozygote
- heterozygous
- heth
- He that is not with me is against me
- hetman
- hetmanate
- hettie
- Hetty
- het up
- HEU
- heuchera
- heulandite
- Heuneburg
- heurige
- heuristic
- heuristics
- Heusler alloy
- HEV
- hevea
- Hevelian halo
- Hevelius
- Hever Castle
- Hevesy
- hew
- HEW
- hewers of wood and drawers of water
- he who hesitates is lost
- He who hesitates is lost
- He who laughs last, laughs best
- Hewish
- Hewitt
- Hewlett
- hewn
- hex
- hex.
- hexa-
- hexabasic
- hexachloride
- hexachlorobenzene
- hexachlorocyclohexane
- hexachloroethane
- hexachlorophene
- hexachord
- hexacosanoic acid
- hexad
- hexadecane
