- -es1suffix1》 forming plurals of nouns ending in sibilant sounds: kisses.2》 forming plurals of certain nouns ending in -o: potatoes.Originvar. of -s1.————————-es2suffix forming the third person singular of the present tense:1》 in verbs ending in sibilant sounds: pushes.2》 in verbs ending in -o (but not -oo): goes.Originvar. of -s2.
English new terms dictionary. 2014.