IRREGULAR PLURAL NOUNS

Front

Singular & plural noun:

Back

fish/fish, fish-fish

Front

Singular and plural noun:

Back

child/children

Front

Singular & plural noun:

Back

diagnosis/diagnoses

Front

Singular and plural noun:

Back

foot/feet

Front

Singular & plural noun: goose

Back

geese

Front

Singular & plural noun:

Back

index/indices, index-indices

Front

Singular & plural noun: knife/knives

Back

knife/knives

Front

Singular & plural noun:

Back

leaf/leaves, leaf-leaves

Front

Singular & plural noun:

Back

mouse/mice

Front

Singular & plural of octopus?

Back

octopus/octopi, octopus-octopi