A plural noun names more than one thing. We usually add -s to a noun to make it plural.
one book – many books
a school – several schools
one girl – two girls
Some plural nouns add -es to become plural.
Any noun ending in -s, -x, -z, -ch, -sh takes -es at the end when it is plural.
class – classes
dress – dresses
box – boxes
fox – foxes
fuzz – fuzzes
waltz – waltzes
bench – benches
lunch – lunches
bush- bushes
wish – wishes
Most nouns add -s to become plural. Words ending in -s, -x, -z, ch-, sh- add -es to become plural.