plural nouns

Front

clases is the plural of class

Back

no, it's classes

Front

Plural of man is?

Back

men

Front

Select a noun that takes -es: -sh, -ch, -ss, -x endings.

Back

match-matches

Front

Noun ending in consonant + -y: change -y to -i, add -es. Example: city-cityes.

Back

The rule is correct but the example is not.

Front

Noun ending in -ef or -f changes to -ves:

Back

knife-knives