Declension table of ?asattva

Neuter	Singular	Dual	Plural
Nominative	asattvam	asattve	asattvāni
Vocative	asattva	asattve	asattvāni
Accusative	asattvam	asattve	asattvāni
Instrumental	asattvena	asattvābhyām	asattvaiḥ
Dative	asattvāya	asattvābhyām	asattvebhyaḥ
Ablative	asattvāt	asattvābhyām	asattvebhyaḥ
Genitive	asattvasya	asattvayoḥ	asattvānām
Locative	asattve	asattvayoḥ	asattveṣu

Compound asattva -

Adverb -asattvam -asattvāt