Singular
NOMINATIVE
frithchoirpín
▪an frithchoirpín
GENITIVE
frithchoirpín
▪an fhrithchoirpín
Plural
NOMINATIVE
frithchoirpíní
▪na frithchoirpíní
GENITIVE
frithchoirpíní
▪na bhfrithchoirpíní