Declension table of ?anantatāna

Neuter	Singular	Dual	Plural
Nominative	anantatānam	anantatāne	anantatānāni
Vocative	anantatāna	anantatāne	anantatānāni
Accusative	anantatānam	anantatāne	anantatānāni
Instrumental	anantatānena	anantatānābhyām	anantatānaiḥ
Dative	anantatānāya	anantatānābhyām	anantatānebhyaḥ
Ablative	anantatānāt	anantatānābhyām	anantatānebhyaḥ
Genitive	anantatānasya	anantatānayoḥ	anantatānānām
Locative	anantatāne	anantatānayoḥ	anantatāneṣu

Compound anantatāna -

Adverb -anantatānam -anantatānāt