Declension table of sthiratva

Neuter	Singular	Dual	Plural
Nominative	sthiratvam	sthiratve	sthiratvāni
Vocative	sthiratva	sthiratve	sthiratvāni
Accusative	sthiratvam	sthiratve	sthiratvāni
Instrumental	sthiratvena	sthiratvābhyām	sthiratvaiḥ
Dative	sthiratvāya	sthiratvābhyām	sthiratvebhyaḥ
Ablative	sthiratvāt	sthiratvābhyām	sthiratvebhyaḥ
Genitive	sthiratvasya	sthiratvayoḥ	sthiratvānām
Locative	sthiratve	sthiratvayoḥ	sthiratveṣu

Compound sthiratva -

Adverb -sthiratvam -sthiratvāt