Declension table of ?karkāhva

Masculine	Singular	Dual	Plural
Nominative	karkāhvaḥ	karkāhvau	karkāhvāḥ
Vocative	karkāhva	karkāhvau	karkāhvāḥ
Accusative	karkāhvam	karkāhvau	karkāhvān
Instrumental	karkāhveṇa	karkāhvābhyām	karkāhvaiḥ karkāhvebhiḥ
Dative	karkāhvāya	karkāhvābhyām	karkāhvebhyaḥ
Ablative	karkāhvāt	karkāhvābhyām	karkāhvebhyaḥ
Genitive	karkāhvasya	karkāhvayoḥ	karkāhvāṇām
Locative	karkāhve	karkāhvayoḥ	karkāhveṣu

Compound karkāhva -

Adverb -karkāhvam -karkāhvāt