- declension-3play (act of playing)
Formslūsiō(canonical, feminine) · lūsiōnis(genitive) · lūsiō(nominative, singular) · lūsiōnēs(nominative, plural) · lūsiōnis(genitive, singular) · lūsiōnum(genitive, plural) · lūsiōnī(dative, singular) · lūsiōnibus(dative, plural) · lūsiōnem(accusative, singular) · lūsiōnēs(accusative, plural) · lūsiōne(ablative, singular) · lūsiōnibus(ablative, plural) · lūsiō(singular, vocative) · lūsiōnēs(plural, vocative)
Source: Wiktionary