Declension table of ?prapakva

Neuter	Singular	Dual	Plural
Nominative	prapakvam	prapakve	prapakvāṇi
Vocative	prapakva	prapakve	prapakvāṇi
Accusative	prapakvam	prapakve	prapakvāṇi
Instrumental	prapakveṇa	prapakvābhyām	prapakvaiḥ
Dative	prapakvāya	prapakvābhyām	prapakvebhyaḥ
Ablative	prapakvāt	prapakvābhyām	prapakvebhyaḥ
Genitive	prapakvasya	prapakvayoḥ	prapakvāṇām
Locative	prapakve	prapakvayoḥ	prapakveṣu

Compound prapakva -

Adverb -prapakvam -prapakvāt