Declension table of ?saṃvādaka

Masculine	Singular	Dual	Plural
Nominative	saṃvādakaḥ	saṃvādakau	saṃvādakāḥ
Vocative	saṃvādaka	saṃvādakau	saṃvādakāḥ
Accusative	saṃvādakam	saṃvādakau	saṃvādakān
Instrumental	saṃvādakena	saṃvādakābhyām	saṃvādakaiḥ saṃvādakebhiḥ
Dative	saṃvādakāya	saṃvādakābhyām	saṃvādakebhyaḥ
Ablative	saṃvādakāt	saṃvādakābhyām	saṃvādakebhyaḥ
Genitive	saṃvādakasya	saṃvādakayoḥ	saṃvādakānām
Locative	saṃvādake	saṃvādakayoḥ	saṃvādakeṣu

Compound saṃvādaka -

Adverb -saṃvādakam -saṃvādakāt