Declension table of rugṇatva

Neuter	Singular	Dual	Plural
Nominative	rugṇatvam	rugṇatve	rugṇatvāni
Vocative	rugṇatva	rugṇatve	rugṇatvāni
Accusative	rugṇatvam	rugṇatve	rugṇatvāni
Instrumental	rugṇatvena	rugṇatvābhyām	rugṇatvaiḥ
Dative	rugṇatvāya	rugṇatvābhyām	rugṇatvebhyaḥ
Ablative	rugṇatvāt	rugṇatvābhyām	rugṇatvebhyaḥ
Genitive	rugṇatvasya	rugṇatvayoḥ	rugṇatvānām
Locative	rugṇatve	rugṇatvayoḥ	rugṇatveṣu

Compound rugṇatva -

Adverb -rugṇatvam -rugṇatvāt