Declension table of tadvayas

Masculine	Singular	Dual	Plural
Nominative	tadvayān	tadvayāṃsau	tadvayāṃsaḥ
Vocative	tadvayan	tadvayāṃsau	tadvayāṃsaḥ
Accusative	tadvayāṃsam	tadvayāṃsau	tadvayasaḥ
Instrumental	tadvayasā	tadvayobhyām	tadvayobhiḥ
Dative	tadvayase	tadvayobhyām	tadvayobhyaḥ
Ablative	tadvayasaḥ	tadvayobhyām	tadvayobhyaḥ
Genitive	tadvayasaḥ	tadvayasoḥ	tadvayasām
Locative	tadvayasi	tadvayasoḥ	tadvayaḥsu

Compound tadvayas -

Adverb -tadvayas