Declension table of ?tapātyaya

Masculine	Singular	Dual	Plural
Nominative	tapātyayaḥ	tapātyayau	tapātyayāḥ
Vocative	tapātyaya	tapātyayau	tapātyayāḥ
Accusative	tapātyayam	tapātyayau	tapātyayān
Instrumental	tapātyayena	tapātyayābhyām	tapātyayaiḥ tapātyayebhiḥ
Dative	tapātyayāya	tapātyayābhyām	tapātyayebhyaḥ
Ablative	tapātyayāt	tapātyayābhyām	tapātyayebhyaḥ
Genitive	tapātyayasya	tapātyayayoḥ	tapātyayānām
Locative	tapātyaye	tapātyayayoḥ	tapātyayeṣu

Compound tapātyaya -

Adverb -tapātyayam -tapātyayāt