Plural

The plural of “housewife” is housewives. Some nouns that end in fe change the f to v and add -s: housewife becomes housewives.

“Scissors” is always plural: scissors. There is no singular form, so you say a pair of scissors.

The plural of “crush” is crushes. Nouns that end in s, x, z, ch or sh add -es to make the plural, so crush becomes crushes.

The plural of “varix” is varices. varix comes from Latin, and like many Latin nouns ending in -ex or -ix it changes the ending to -ices.

The plural of “hypothesis” is hypotheses. Nouns that end in -is, most of them from Greek, change the ending to -es in the plural.