Declension table of ?vidyādharatva

Neuter	Singular	Dual	Plural
Nominative	vidyādharatvam	vidyādharatve	vidyādharatvāni
Vocative	vidyādharatva	vidyādharatve	vidyādharatvāni
Accusative	vidyādharatvam	vidyādharatve	vidyādharatvāni
Instrumental	vidyādharatvena	vidyādharatvābhyām	vidyādharatvaiḥ
Dative	vidyādharatvāya	vidyādharatvābhyām	vidyādharatvebhyaḥ
Ablative	vidyādharatvāt	vidyādharatvābhyām	vidyādharatvebhyaḥ
Genitive	vidyādharatvasya	vidyādharatvayoḥ	vidyādharatvānām
Locative	vidyādharatve	vidyādharatvayoḥ	vidyādharatveṣu

Compound vidyādharatva -

Adverb -vidyādharatvam -vidyādharatvāt