Declension table of ?pravādaka

Masculine	Singular	Dual	Plural
Nominative	pravādakaḥ	pravādakau	pravādakāḥ
Vocative	pravādaka	pravādakau	pravādakāḥ
Accusative	pravādakam	pravādakau	pravādakān
Instrumental	pravādakena	pravādakābhyām	pravādakaiḥ pravādakebhiḥ
Dative	pravādakāya	pravādakābhyām	pravādakebhyaḥ
Ablative	pravādakāt	pravādakābhyām	pravādakebhyaḥ
Genitive	pravādakasya	pravādakayoḥ	pravādakānām
Locative	pravādake	pravādakayoḥ	pravādakeṣu

Compound pravādaka -

Adverb -pravādakam -pravādakāt