Declension table of ?vayana

Neuter	Singular	Dual	Plural
Nominative	vayanam	vayane	vayanāni
Vocative	vayana	vayane	vayanāni
Accusative	vayanam	vayane	vayanāni
Instrumental	vayanena	vayanābhyām	vayanaiḥ
Dative	vayanāya	vayanābhyām	vayanebhyaḥ
Ablative	vayanāt	vayanābhyām	vayanebhyaḥ
Genitive	vayanasya	vayanayoḥ	vayanānām
Locative	vayane	vayanayoḥ	vayaneṣu

Compound vayana -

Adverb -vayanam -vayanāt