Declension table of ?pravāyaka

Masculine	Singular	Dual	Plural
Nominative	pravāyakaḥ	pravāyakau	pravāyakāḥ
Vocative	pravāyaka	pravāyakau	pravāyakāḥ
Accusative	pravāyakam	pravāyakau	pravāyakān
Instrumental	pravāyakeṇa	pravāyakābhyām	pravāyakaiḥ pravāyakebhiḥ
Dative	pravāyakāya	pravāyakābhyām	pravāyakebhyaḥ
Ablative	pravāyakāt	pravāyakābhyām	pravāyakebhyaḥ
Genitive	pravāyakasya	pravāyakayoḥ	pravāyakāṇām
Locative	pravāyake	pravāyakayoḥ	pravāyakeṣu

Compound pravāyaka -

Adverb -pravāyakam -pravāyakāt