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• Es
  Es

  einsteinium.
• -es
  -es

  a plural suffix occurring in loanwords from Greek.
• E.S.
  E.S.

  abbreviation

  Education Specialist.
• ES
  ES

  abbreviation

  El Salvador (international car registration)
• es
  es

  abbreviation

  Spain

Es

¹ American  

Symbol, Chemistry.

1. einsteinium.

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-es ² American  

1. a plural suffix occurring in loanwords from Greek.

   Hyades.

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-es ³ American  

1. variant of -s in verbs ending in s, z, ch, sh, or post-consonantal y: passes; buzzes; pitches; dashes; studies.

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-es ⁴ American  

1. variant of -s in nouns ending in s, z, ch, sh, or post-consonantal y, and in nouns ending in f with v in the plural: losses; fuzzes; riches; ashes; babies; sheaves.

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E.S. ⁵ American  

abbreviation

1. Education Specialist.

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-es ¹ British  

suffix

1. for nouns ending in ch, s, sh, z, postconsonantal y, for some nouns ending in a vowel, and nouns in f with v in the plural, a variant of -s 1

   ashes

   heroes

   calves

2. for verbs ending in ch, s, sh, z, postconsonantal y, or a vowel, a variant of -s 1

   preaches

   steadies

   echoes

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ES ² British  

abbreviation

1. El Salvador (international car registration)

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Es ³ British  

symbol

1. einsteinium

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es ⁴ British  

abbreviation

1. Spain

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Etymology

Origin of -es

From the Greek suffix -es

Example Sentences

A squad of female mariachis in blue soon proceeded to walk down the runway, ushering in her ranchera ballad, “Ese Hombre Es Malo.”

From Los Angeles Times • Apr. 13, 2026

Es Devlin’s sets are slick but strongly lit.

From Los Angeles Times • Apr. 3, 2026

About 60% of the U.S. population report a preference for introversion, according to Myers-Briggs Co., the company known for a personality-assessment test that begins by separating the Is from the Es.

From The Wall Street Journal • Dec. 23, 2025

The first triple E outbreak on record occurred in Massachusetts in the 1830s in horses — the reason one of the three Es stands for “equine.”

From Salon • Sep. 7, 2024

“Double Es as well, and no silent E at the end.”

From "The Glass Castle" by Jeannette Walls