Declension table of ?tapastaṅka

Masculine	Singular	Dual	Plural
Nominative	tapastaṅkaḥ	tapastaṅkau	tapastaṅkāḥ
Vocative	tapastaṅka	tapastaṅkau	tapastaṅkāḥ
Accusative	tapastaṅkam	tapastaṅkau	tapastaṅkān
Instrumental	tapastaṅkena	tapastaṅkābhyām	tapastaṅkaiḥ tapastaṅkebhiḥ
Dative	tapastaṅkāya	tapastaṅkābhyām	tapastaṅkebhyaḥ
Ablative	tapastaṅkāt	tapastaṅkābhyām	tapastaṅkebhyaḥ
Genitive	tapastaṅkasya	tapastaṅkayoḥ	tapastaṅkānām
Locative	tapastaṅke	tapastaṅkayoḥ	tapastaṅkeṣu

Compound tapastaṅka -

Adverb -tapastaṅkam -tapastaṅkāt