Bíonn ainmfhocal nó forainm sa tuiseal cuspóireach nuair a bhíonn sé mar chuspóir na habairte, nó mar an duine a bhfuil gníomh na habairte á dhéanamh air. Tá na focail a bhfuil cló iodálach orthu thíos mar chuspóir na habairte, mar sin tá siad sa tuiseal cuspóireach: (A noun or a pronoun is in the accusative case when it is the object of the sentence, or if it is the person to who the action of the sentence is being done. The words in bold below are the object of the sentence, therefore they are in the accusative case:)
Cheannaigh Caitlín guthán nua an tseachtain seo caite ach chaill sí é aréir. (Caitlín bought a new phone last week and she lost it last night.)
Cháin sí Cóilín go géar. (She criticised Cóilín heavily.)