1 prefix with noun etccaoga c m uleathchéad c m ua fifty-day tripturas caoga láa fifty-kilometre racerás caoga ciliméadara fifty-part seriessraith caoga cuid2 prefix in compound numbersfifty-one, fifty-twocaoga a haon, caoga a dó; caoga is a haon, caoga is a dófifty-two percentcaoga a dó faoin gcéadfifty-three cakescaoga a trí cáca milis, trí cháca mhilse is caoga formalthe fifty-four long yearsan caoga a ceathair bliain fhada, na ceithre bliana fada is caoga formalfifty-five of the memberscaoga a cúig de na baill, cúig dhuine is caoga de na baillfifty-six of them brokebhris caoga a sé acu, bhris sé cinn is caoga díobhshe's fifty-seventá sí caoga a seachtpage fifty-eightleathanach caoga a hochtin fifty-ninth positionsa naoú háit is caoga → féach fifty