Declension table of ?pravādaka

Neuter	Singular	Dual	Plural
Nominative	pravādakam	pravādake	pravādakāni
Vocative	pravādaka	pravādake	pravādakāni
Accusative	pravādakam	pravādake	pravādakāni
Instrumental	pravādakena	pravādakābhyām	pravādakaiḥ
Dative	pravādakāya	pravādakābhyām	pravādakebhyaḥ
Ablative	pravādakāt	pravādakābhyām	pravādakebhyaḥ
Genitive	pravādakasya	pravādakayoḥ	pravādakānām
Locative	pravādake	pravādakayoḥ	pravādakeṣu

Compound pravādaka -

Adverb -pravādakam -pravādakāt