Declension table of anityatva

Neuter	Singular	Dual	Plural
Nominative	anityatvam	anityatve	anityatvāni
Vocative	anityatva	anityatve	anityatvāni
Accusative	anityatvam	anityatve	anityatvāni
Instrumental	anityatvena	anityatvābhyām	anityatvaiḥ
Dative	anityatvāya	anityatvābhyām	anityatvebhyaḥ
Ablative	anityatvāt	anityatvābhyām	anityatvebhyaḥ
Genitive	anityatvasya	anityatvayoḥ	anityatvānām
Locative	anityatve	anityatvayoḥ	anityatveṣu

Compound anityatva -

Adverb -anityatvam -anityatvāt