Declension table of ?karva

Masculine	Singular	Dual	Plural
Nominative	karvaḥ	karvau	karvāḥ
Vocative	karva	karvau	karvāḥ
Accusative	karvam	karvau	karvān
Instrumental	karveṇa	karvābhyām	karvaiḥ karvebhiḥ
Dative	karvāya	karvābhyām	karvebhyaḥ
Ablative	karvāt	karvābhyām	karvebhyaḥ
Genitive	karvasya	karvayoḥ	karvāṇām
Locative	karve	karvayoḥ	karveṣu

Compound karva -

Adverb -karvam -karvāt