/ˈtɪl̥ft/
Beygingartylftar(genitive, singular) · tylftir(nominative, plural) · tylft(indefinite, nominative, singular) · tylftin(definite, nominative, singular) · tylftir(indefinite, nominative, plural) · tylftirnar(definite, nominative, plural) · tylft(accusative, indefinite, singular) · tylftina(accusative, definite, singular) · tylftir(accusative, indefinite, plural) · tylftirnar(accusative, definite, plural) · tylft(dative, indefinite, singular) · tylftinni(dative, definite, singular) · tylftum(dative, indefinite, plural) · tylftunum(dative, definite, plural) · tylftar(genitive, indefinite, singular) · tylftarinnar(definite, genitive, singular) · tylfta(genitive, indefinite, plural) · tylftanna(definite, genitive, plural)
Heimild: Wiktionary