Declension table of sevyatva

Neuter	Singular	Dual	Plural
Nominative	sevyatvam	sevyatve	sevyatvāni
Vocative	sevyatva	sevyatve	sevyatvāni
Accusative	sevyatvam	sevyatve	sevyatvāni
Instrumental	sevyatvena	sevyatvābhyām	sevyatvaiḥ
Dative	sevyatvāya	sevyatvābhyām	sevyatvebhyaḥ
Ablative	sevyatvāt	sevyatvābhyām	sevyatvebhyaḥ
Genitive	sevyatvasya	sevyatvayoḥ	sevyatvānām
Locative	sevyatve	sevyatvayoḥ	sevyatveṣu

Compound sevyatva -

Adverb -sevyatvam -sevyatvāt