Declension table of ?gṛddhitva

Neuter	Singular	Dual	Plural
Nominative	gṛddhitvam	gṛddhitve	gṛddhitvāni
Vocative	gṛddhitva	gṛddhitve	gṛddhitvāni
Accusative	gṛddhitvam	gṛddhitve	gṛddhitvāni
Instrumental	gṛddhitvena	gṛddhitvābhyām	gṛddhitvaiḥ
Dative	gṛddhitvāya	gṛddhitvābhyām	gṛddhitvebhyaḥ
Ablative	gṛddhitvāt	gṛddhitvābhyām	gṛddhitvebhyaḥ
Genitive	gṛddhitvasya	gṛddhitvayoḥ	gṛddhitvānām
Locative	gṛddhitve	gṛddhitvayoḥ	gṛddhitveṣu

Compound gṛddhitva -

Adverb -gṛddhitvam -gṛddhitvāt