Iontráil sa Lámhscríbhinn:
Sampla(í) Úsáide:
Thá cuid mhór costaisí air. - He is under a lot of expense. Costaisí an bhóthair. - The expense of the road. Cé dhíolfaidh na costaisí. - Who'll pay the expenses.
Foirmeacha Gramadaí:
g. costais, iol. costaisí