Declension table of ?japana

Neuter	Singular	Dual	Plural
Nominative	japanam	japane	japanāni
Vocative	japana	japane	japanāni
Accusative	japanam	japane	japanāni
Instrumental	japanena	japanābhyām	japanaiḥ
Dative	japanāya	japanābhyām	japanebhyaḥ
Ablative	japanāt	japanābhyām	japanebhyaḥ
Genitive	japanasya	japanayoḥ	japanānām
Locative	japane	japanayoḥ	japaneṣu

Compound japana -

Adverb -japanam -japanāt