Declension table of ?pavitratva

Neuter	Singular	Dual	Plural
Nominative	pavitratvam	pavitratve	pavitratvāni
Vocative	pavitratva	pavitratve	pavitratvāni
Accusative	pavitratvam	pavitratve	pavitratvāni
Instrumental	pavitratvena	pavitratvābhyām	pavitratvaiḥ
Dative	pavitratvāya	pavitratvābhyām	pavitratvebhyaḥ
Ablative	pavitratvāt	pavitratvābhyām	pavitratvebhyaḥ
Genitive	pavitratvasya	pavitratvayoḥ	pavitratvānām
Locative	pavitratve	pavitratvayoḥ	pavitratveṣu

Compound pavitratva -

Adverb -pavitratvam -pavitratvāt