/ˈkɑksi/, [ˈkɑ̝ks̠i], /ˈkɑks/
AlkuperäFrom Proto-Finnic *kakci (compare Estonian kaks), from Proto-Uralic *käktä ~ *kakta (compare Northern Sami guoktẹ, Erzya кавто (kavto), Eastern Mari кок (kok), Komi-Zyrian кык (kyk), Northern Khanty кӑт (kăt), Hungarian két, Tundra Nenets сидя (syidya)).
Muodotkaksi(nominative, singular) · kahdet(nominative, plural) · kahtaalla(singular, superessive) · -(plural, superessive) · kahden(genitive, singular) · kaksien(genitive, plural) · kahtaalta(delative, singular) · -(delative, plural) · kahta(partitive, singular) · kaksia(partitive, plural) · kahtaalle(singular, sublative) · -(plural, sublative) · kaksi(accusative, singular) · kahden(accusative, singular) · kahdet(accusative, plural) · kahtia(lative, singular) · -(lative, plural) · kahdessa(inessive, singular) · kaksissa(inessive, plural) · -(singular, temporal)