Declension table of ?tastepvas

Masculine	Singular	Dual	Plural
Nominative	tastepvān	tastepvāṃsau	tastepvāṃsaḥ
Vocative	tastepvan	tastepvāṃsau	tastepvāṃsaḥ
Accusative	tastepvāṃsam	tastepvāṃsau	tastepuṣaḥ
Instrumental	tastepuṣā	tastepvadbhyām	tastepvadbhiḥ
Dative	tastepuṣe	tastepvadbhyām	tastepvadbhyaḥ
Ablative	tastepuṣaḥ	tastepvadbhyām	tastepvadbhyaḥ
Genitive	tastepuṣaḥ	tastepuṣoḥ	tastepuṣām
Locative	tastepuṣi	tastepuṣoḥ	tastepvatsu

Compound tastepvat -

Adverb -tastepvas