Nouns Ending in a Consonant

Form the plurals of most nouns by adding s.

balloon → balloons

shoe → shoes

Form the plurals of nouns ending in sh, ch, x, s, and z by adding es to the singular.

brush → brushes

bunch → bunches

box → boxes

dress → dresses

buzz → buzzes

Nouns Ending in o

Form the plurals of most words ending in o by adding just s.

patio → patios

rodeo → rodeos

Form the plurals of most nouns ending in o (if they have a consonant letter just before the o) by adding es.

echo → echoes

hero → heroes