Declension table of ?pravāyaka

Neuter	Singular	Dual	Plural
Nominative	pravāyakam	pravāyake	pravāyakāṇi
Vocative	pravāyaka	pravāyake	pravāyakāṇi
Accusative	pravāyakam	pravāyake	pravāyakāṇi
Instrumental	pravāyakeṇa	pravāyakābhyām	pravāyakaiḥ
Dative	pravāyakāya	pravāyakābhyām	pravāyakebhyaḥ
Ablative	pravāyakāt	pravāyakābhyām	pravāyakebhyaḥ
Genitive	pravāyakasya	pravāyakayoḥ	pravāyakāṇām
Locative	pravāyake	pravāyakayoḥ	pravāyakeṣu

Compound pravāyaka -

Adverb -pravāyakam -pravāyakāt