Declension table of ?hnavana

Neuter	Singular	Dual	Plural
Nominative	hnavanam	hnavane	hnavanāni
Vocative	hnavana	hnavane	hnavanāni
Accusative	hnavanam	hnavane	hnavanāni
Instrumental	hnavanena	hnavanābhyām	hnavanaiḥ
Dative	hnavanāya	hnavanābhyām	hnavanebhyaḥ
Ablative	hnavanāt	hnavanābhyām	hnavanebhyaḥ
Genitive	hnavanasya	hnavanayoḥ	hnavanānām
Locative	hnavane	hnavanayoḥ	hnavaneṣu

Compound hnavana -

Adverb -hnavanam -hnavanāt