-es


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-es 1

suff.
Variant of -s1.

-es 2

suff.
Variant of -s2.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

-es

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 -s1: ashes; heroes; calves.
2. for verbs ending in ch, s, sh, z, postconsonantal y, or a vowel, a variant of -s1: preaches; steadies; echoes.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Es


Chem. Symbol.
einsteinium.

-es2

,
var. of -s 2 in verbs ending in s, z, ch, sh, or post-consonantal y: passes; buzzes; pitches; dashes; studies.

-es3

,
var. of -s 3 in nouns ending in s, z, ch, sh, or post-consonantal y, and in nouns in f with v in the plural: losses; fuzzes; riches; ashes; babies; sheaves.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.