1 prefix with noun etcseasca c m ua sixty-day tripturas seasca láa sixty-kilometre racerás seasca ciliméadara sixty-part seriessraith seasca cuid2 prefix in compound numberssixty-one, sixty-twoseasca a haon, seasca a dó; seasca is a haon, seasca is a dósixty-two percentseasca a dó faoin gcéadsixty-three cakesseasca a trí cáca milis, trí cháca mhilse is seasca formalthe sixty-four long yearsan seasca a ceathair bliain fhada, na ceithre bliana fada is seasca formalsixty-five of the membersseasca a cúig de na baill, cúig dhuine is seasca de na baillsixty-six of them brokebhris seasca a sé acu, bhris sé cinn is seasca díobhshe's sixty-seventá sí seasca a seachtpage sixty-eightleathanach seasca a hochtin sixty-ninth positionsa naoú háit is seasca → féach sixty