Declension table of anitya

Neuter	Singular	Dual	Plural
Nominative	anityam	anitye	anityāni
Vocative	anitya	anitye	anityāni
Accusative	anityam	anitye	anityāni
Instrumental	anityena	anityābhyām	anityaiḥ
Dative	anityāya	anityābhyām	anityebhyaḥ
Ablative	anityāt	anityābhyām	anityebhyaḥ
Genitive	anityasya	anityayoḥ	anityānām
Locative	anitye	anityayoḥ	anityeṣu

Compound anitya -

Adverb -anityam -anityāt