Declension table of ?vipriyatva

Neuter	Singular	Dual	Plural
Nominative	vipriyatvam	vipriyatve	vipriyatvāni
Vocative	vipriyatva	vipriyatve	vipriyatvāni
Accusative	vipriyatvam	vipriyatve	vipriyatvāni
Instrumental	vipriyatvena	vipriyatvābhyām	vipriyatvaiḥ
Dative	vipriyatvāya	vipriyatvābhyām	vipriyatvebhyaḥ
Ablative	vipriyatvāt	vipriyatvābhyām	vipriyatvebhyaḥ
Genitive	vipriyatvasya	vipriyatvayoḥ	vipriyatvānām
Locative	vipriyatve	vipriyatvayoḥ	vipriyatveṣu

Compound vipriyatva -

Adverb -vipriyatvam -vipriyatvāt