Meaning of -ES in English

-ES

[-es] n pl suffix [ME -es, -s--more at [1]-s]--used to form the plural of most nouns that end in s "glasses", z "fuzzes", sh "bushes", ch "peaches", or a final y that changes to i "ladies" and of some nouns ending in f that changes to v "loaves"--compare [1]-s

[2]-es vb suffix [ME--more at [3]-s]--used to form the third person singular present of most verbs that end in s "blesses", z "fizzes", sh "hushes", ch "catches", or a final y that changes to i "defies"--compare [3]-s

Merriam-Webster English vocab.      Английский словарь Merriam Webster.