Declension table of ?samavana

Neuter	Singular	Dual	Plural
Nominative	samavanam	samavane	samavanāni
Vocative	samavana	samavane	samavanāni
Accusative	samavanam	samavane	samavanāni
Instrumental	samavanena	samavanābhyām	samavanaiḥ
Dative	samavanāya	samavanābhyām	samavanebhyaḥ
Ablative	samavanāt	samavanābhyām	samavanebhyaḥ
Genitive	samavanasya	samavanayoḥ	samavanānām
Locative	samavane	samavanayoḥ	samavaneṣu

Compound samavana -

Adverb -samavanam -samavanāt