Declension table of ?ātapta

Neuter	Singular	Dual	Plural
Nominative	ātaptam	ātapte	ātaptāni
Vocative	ātapta	ātapte	ātaptāni
Accusative	ātaptam	ātapte	ātaptāni
Instrumental	ātaptena	ātaptābhyām	ātaptaiḥ
Dative	ātaptāya	ātaptābhyām	ātaptebhyaḥ
Ablative	ātaptāt	ātaptābhyām	ātaptebhyaḥ
Genitive	ātaptasya	ātaptayoḥ	ātaptānām
Locative	ātapte	ātaptayoḥ	ātapteṣu

Compound ātapta -

Adverb -ātaptam -ātaptāt