Declension table of ?tavyas

Neuter	Singular	Dual	Plural
Nominative	tavyaḥ	tavyasī	tavyāṃsi
Vocative	tavyaḥ	tavyasī	tavyāṃsi
Accusative	tavyaḥ	tavyasī	tavyāṃsi
Instrumental	tavyasā	tavyobhyām	tavyobhiḥ
Dative	tavyase	tavyobhyām	tavyobhyaḥ
Ablative	tavyasaḥ	tavyobhyām	tavyobhyaḥ
Genitive	tavyasaḥ	tavyasoḥ	tavyasām
Locative	tavyasi	tavyasoḥ	tavyaḥsu

Compound tavyas -

Adverb -tavyas