Declension table of vṛddhatva

Neuter	Singular	Dual	Plural
Nominative	vṛddhatvam	vṛddhatve	vṛddhatvāni
Vocative	vṛddhatva	vṛddhatve	vṛddhatvāni
Accusative	vṛddhatvam	vṛddhatve	vṛddhatvāni
Instrumental	vṛddhatvena	vṛddhatvābhyām	vṛddhatvaiḥ
Dative	vṛddhatvāya	vṛddhatvābhyām	vṛddhatvebhyaḥ
Ablative	vṛddhatvāt	vṛddhatvābhyām	vṛddhatvebhyaḥ
Genitive	vṛddhatvasya	vṛddhatvayoḥ	vṛddhatvānām
Locative	vṛddhatve	vṛddhatvayoḥ	vṛddhatveṣu

Compound vṛddhatva -

Adverb -vṛddhatvam -vṛddhatvāt