Declension table of ?avadhānatva

Neuter	Singular	Dual	Plural
Nominative	avadhānatvam	avadhānatve	avadhānatvāni
Vocative	avadhānatva	avadhānatve	avadhānatvāni
Accusative	avadhānatvam	avadhānatve	avadhānatvāni
Instrumental	avadhānatvena	avadhānatvābhyām	avadhānatvaiḥ
Dative	avadhānatvāya	avadhānatvābhyām	avadhānatvebhyaḥ
Ablative	avadhānatvāt	avadhānatvābhyām	avadhānatvebhyaḥ
Genitive	avadhānatvasya	avadhānatvayoḥ	avadhānatvānām
Locative	avadhānatve	avadhānatvayoḥ	avadhānatveṣu

Compound avadhānatva -

Adverb -avadhānatvam -avadhānatvāt