Declension table of ?tarpaka

Masculine	Singular	Dual	Plural
Nominative	tarpakaḥ	tarpakau	tarpakāḥ
Vocative	tarpaka	tarpakau	tarpakāḥ
Accusative	tarpakam	tarpakau	tarpakān
Instrumental	tarpakeṇa	tarpakābhyām	tarpakaiḥ tarpakebhiḥ
Dative	tarpakāya	tarpakābhyām	tarpakebhyaḥ
Ablative	tarpakāt	tarpakābhyām	tarpakebhyaḥ
Genitive	tarpakasya	tarpakayoḥ	tarpakāṇām
Locative	tarpake	tarpakayoḥ	tarpakeṣu

Compound tarpaka -

Adverb -tarpakam -tarpakāt