Plural of nouns, example malum mala or malums or both?

1. What is the plural of nouns?
2. Where singular and plural are the same noun?

What is the plural of nouns?

A plural noun is a word that indicates that there is more than one person, animal place, thing, or idea. When you talk about more than one of anything, you're using plural nouns. When you write about more than one of anything, you usually use the same word, simply adding an s, es, or ies to the end.

Where singular and plural are the same noun?

Collective nouns are singular in form, “a team,” but refer to a group of two or more people or things. In other words, they're singular and plural at the same time.