Declension table of ?taivraka

Masculine	Singular	Dual	Plural
Nominative	taivrakaḥ	taivrakau	taivrakāḥ
Vocative	taivraka	taivrakau	taivrakāḥ
Accusative	taivrakam	taivrakau	taivrakān
Instrumental	taivrakeṇa	taivrakābhyām	taivrakaiḥ
Dative	taivrakāya	taivrakābhyām	taivrakebhyaḥ
Ablative	taivrakāt	taivrakābhyām	taivrakebhyaḥ
Genitive	taivrakasya	taivrakayoḥ	taivrakāṇām
Locative	taivrake	taivrakayoḥ	taivrakeṣu

Compound taivraka -

Adverb -taivrakam -taivrakāt