Declension table of ?vṛddhavayas

Masculine	Singular	Dual	Plural
Nominative	vṛddhavayān	vṛddhavayāṃsau	vṛddhavayāṃsaḥ
Vocative	vṛddhavayan	vṛddhavayāṃsau	vṛddhavayāṃsaḥ
Accusative	vṛddhavayāṃsam	vṛddhavayāṃsau	vṛddhavayasaḥ
Instrumental	vṛddhavayasā	vṛddhavayobhyām	vṛddhavayobhiḥ
Dative	vṛddhavayase	vṛddhavayobhyām	vṛddhavayobhyaḥ
Ablative	vṛddhavayasaḥ	vṛddhavayobhyām	vṛddhavayobhyaḥ
Genitive	vṛddhavayasaḥ	vṛddhavayasoḥ	vṛddhavayasām
Locative	vṛddhavayasi	vṛddhavayasoḥ	vṛddhavayaḥsu

Compound vṛddhavayas -

Adverb -vṛddhavayas