Declension table of ?upatāpaka

Masculine	Singular	Dual	Plural
Nominative	upatāpakaḥ	upatāpakau	upatāpakāḥ
Vocative	upatāpaka	upatāpakau	upatāpakāḥ
Accusative	upatāpakam	upatāpakau	upatāpakān
Instrumental	upatāpakena	upatāpakābhyām	upatāpakaiḥ upatāpakebhiḥ
Dative	upatāpakāya	upatāpakābhyām	upatāpakebhyaḥ
Ablative	upatāpakāt	upatāpakābhyām	upatāpakebhyaḥ
Genitive	upatāpakasya	upatāpakayoḥ	upatāpakānām
Locative	upatāpake	upatāpakayoḥ	upatāpakeṣu

Compound upatāpaka -

Adverb -upatāpakam -upatāpakāt