The plural of “moose” is the same as the singular: “moose.” It’s one of a group of plural nouns in English that are identical to the corresponding...

The correct plural of “octopus” is “octopuses.” People often write “octopi” instead because they assume that the plural noun is formed in the same...

Normally, the plural of “fish” is the same as the singular: “fish.” It’s one of a group of irregular plural nouns in English that are identical to...

The plural of “crisis” is “crises.” It’s a loanword from Latin and retains its original Latin plural noun form (similar to “analyses” and “bases”)....

A plural noun is a word that indicates there is more than one of a noun. Singular nouns are words that mean there is only one of that noun. For exa...

An irregular plural noun is a noun that doesn’t follow the usual ‘regular’ rules of English grammar. For example, to make most nouns plural, you ad...

A plural possessive noun is a word that indicates ownership when there is more than one of a noun. For example, ‘ Mr. Smith’s pens ’.

Collective nouns indicate a group or 'collection' of people, animals, or things.