Declension table of ?vyapanayana

Neuter	Singular	Dual	Plural
Nominative	vyapanayanam	vyapanayane	vyapanayanāni
Vocative	vyapanayana	vyapanayane	vyapanayanāni
Accusative	vyapanayanam	vyapanayane	vyapanayanāni
Instrumental	vyapanayanena	vyapanayanābhyām	vyapanayanaiḥ
Dative	vyapanayanāya	vyapanayanābhyām	vyapanayanebhyaḥ
Ablative	vyapanayanāt	vyapanayanābhyām	vyapanayanebhyaḥ
Genitive	vyapanayanasya	vyapanayanayoḥ	vyapanayanānām
Locative	vyapanayane	vyapanayanayoḥ	vyapanayaneṣu

Compound vyapanayana -

Adverb -vyapanayanam -vyapanayanāt