Declension table of ?karṇaputraka

Masculine	Singular	Dual	Plural
Nominative	karṇaputrakaḥ	karṇaputrakau	karṇaputrakāḥ
Vocative	karṇaputraka	karṇaputrakau	karṇaputrakāḥ
Accusative	karṇaputrakam	karṇaputrakau	karṇaputrakān
Instrumental	karṇaputrakeṇa	karṇaputrakābhyām	karṇaputrakaiḥ karṇaputrakebhiḥ
Dative	karṇaputrakāya	karṇaputrakābhyām	karṇaputrakebhyaḥ
Ablative	karṇaputrakāt	karṇaputrakābhyām	karṇaputrakebhyaḥ
Genitive	karṇaputrakasya	karṇaputrakayoḥ	karṇaputrakāṇām
Locative	karṇaputrake	karṇaputrakayoḥ	karṇaputrakeṣu

Compound karṇaputraka -

Adverb -karṇaputrakam -karṇaputrakāt