Declension table of ?ātmanitya

Neuter	Singular	Dual	Plural
Nominative	ātmanityam	ātmanitye	ātmanityāni
Vocative	ātmanitya	ātmanitye	ātmanityāni
Accusative	ātmanityam	ātmanitye	ātmanityāni
Instrumental	ātmanityena	ātmanityābhyām	ātmanityaiḥ
Dative	ātmanityāya	ātmanityābhyām	ātmanityebhyaḥ
Ablative	ātmanityāt	ātmanityābhyām	ātmanityebhyaḥ
Genitive	ātmanityasya	ātmanityayoḥ	ātmanityānām
Locative	ātmanitye	ātmanityayoḥ	ātmanityeṣu

Compound ātmanitya -

Adverb -ātmanityam -ātmanityāt