Declension table of ?kāṇvīputra

Masculine	Singular	Dual	Plural
Nominative	kāṇvīputraḥ	kāṇvīputrau	kāṇvīputrāḥ
Vocative	kāṇvīputra	kāṇvīputrau	kāṇvīputrāḥ
Accusative	kāṇvīputram	kāṇvīputrau	kāṇvīputrān
Instrumental	kāṇvīputreṇa	kāṇvīputrābhyām	kāṇvīputraiḥ kāṇvīputrebhiḥ
Dative	kāṇvīputrāya	kāṇvīputrābhyām	kāṇvīputrebhyaḥ
Ablative	kāṇvīputrāt	kāṇvīputrābhyām	kāṇvīputrebhyaḥ
Genitive	kāṇvīputrasya	kāṇvīputrayoḥ	kāṇvīputrāṇām
Locative	kāṇvīputre	kāṇvīputrayoḥ	kāṇvīputreṣu

Compound kāṇvīputra -

Adverb -kāṇvīputram -kāṇvīputrāt