Declension table of ?vṛdhna

Masculine	Singular	Dual	Plural
Nominative	vṛdhnaḥ	vṛdhnau	vṛdhnāḥ
Vocative	vṛdhna	vṛdhnau	vṛdhnāḥ
Accusative	vṛdhnam	vṛdhnau	vṛdhnān
Instrumental	vṛdhnena	vṛdhnābhyām	vṛdhnaiḥ vṛdhnebhiḥ
Dative	vṛdhnāya	vṛdhnābhyām	vṛdhnebhyaḥ
Ablative	vṛdhnāt	vṛdhnābhyām	vṛdhnebhyaḥ
Genitive	vṛdhnasya	vṛdhnayoḥ	vṛdhnānām
Locative	vṛdhne	vṛdhnayoḥ	vṛdhneṣu

Compound vṛdhna -

Adverb -vṛdhnam -vṛdhnāt