Declension table of ?kavana

Neuter	Singular	Dual	Plural
Nominative	kavanam	kavane	kavanāni
Vocative	kavana	kavane	kavanāni
Accusative	kavanam	kavane	kavanāni
Instrumental	kavanena	kavanābhyām	kavanaiḥ
Dative	kavanāya	kavanābhyām	kavanebhyaḥ
Ablative	kavanāt	kavanābhyām	kavanebhyaḥ
Genitive	kavanasya	kavanayoḥ	kavanānām
Locative	kavane	kavanayoḥ	kavaneṣu

Compound kavana -

Adverb -kavanam -kavanāt