Declension table of ?tāpayiṣṇu

Masculine	Singular	Dual	Plural
Nominative	tāpayiṣṇuḥ	tāpayiṣṇū	tāpayiṣṇavaḥ
Vocative	tāpayiṣṇo	tāpayiṣṇū	tāpayiṣṇavaḥ
Accusative	tāpayiṣṇum	tāpayiṣṇū	tāpayiṣṇūn
Instrumental	tāpayiṣṇunā	tāpayiṣṇubhyām	tāpayiṣṇubhiḥ
Dative	tāpayiṣṇave	tāpayiṣṇubhyām	tāpayiṣṇubhyaḥ
Ablative	tāpayiṣṇoḥ	tāpayiṣṇubhyām	tāpayiṣṇubhyaḥ
Genitive	tāpayiṣṇoḥ	tāpayiṣṇvoḥ	tāpayiṣṇūnām
Locative	tāpayiṣṇau	tāpayiṣṇvoḥ	tāpayiṣṇuṣu

Compound tāpayiṣṇu -

Adverb -tāpayiṣṇu