Singular
NOMINATIVE
trícheathrúnach
▪an trícheathrúnach
GENITIVE
trícheathrúnaigh
▪an trícheathrúnaigh
Plural
NOMINATIVE
trícheathrúnaigh
▪na trícheathrúnaigh
GENITIVE
trícheathrúnach
▪na dtrícheathrúnach