Question

What does the plural form of a singular term that ends in -is?

1) -es
2) -ies
3) -s
4) -us

Answer 1

The plural form of a singular term that ends in -is is -es.

Step-by-step explanation:

The plural form of a singular term that ends in -is is -es.

For example, the singular form of the word analysis becomes analyses in its plural form.

Other examples include thesis becoming theses and axis becoming axes.