Declension table of ?avadhyatva

Neuter	Singular	Dual	Plural
Nominative	avadhyatvam	avadhyatve	avadhyatvāni
Vocative	avadhyatva	avadhyatve	avadhyatvāni
Accusative	avadhyatvam	avadhyatve	avadhyatvāni
Instrumental	avadhyatvena	avadhyatvābhyām	avadhyatvaiḥ
Dative	avadhyatvāya	avadhyatvābhyām	avadhyatvebhyaḥ
Ablative	avadhyatvāt	avadhyatvābhyām	avadhyatvebhyaḥ
Genitive	avadhyatvasya	avadhyatvayoḥ	avadhyatvānām
Locative	avadhyatve	avadhyatvayoḥ	avadhyatveṣu

Compound avadhyatva -

Adverb -avadhyatvam -avadhyatvāt