Declension table of ?yāpana

Neuter	Singular	Dual	Plural
Nominative	yāpanam	yāpane	yāpanāni
Vocative	yāpana	yāpane	yāpanāni
Accusative	yāpanam	yāpane	yāpanāni
Instrumental	yāpanena	yāpanābhyām	yāpanaiḥ
Dative	yāpanāya	yāpanābhyām	yāpanebhyaḥ
Ablative	yāpanāt	yāpanābhyām	yāpanebhyaḥ
Genitive	yāpanasya	yāpanayoḥ	yāpanānām
Locative	yāpane	yāpanayoḥ	yāpaneṣu

Compound yāpana -

Adverb -yāpanam -yāpanāt