Declension table of ?savīryatva

Neuter	Singular	Dual	Plural
Nominative	savīryatvam	savīryatve	savīryatvāni
Vocative	savīryatva	savīryatve	savīryatvāni
Accusative	savīryatvam	savīryatve	savīryatvāni
Instrumental	savīryatvena	savīryatvābhyām	savīryatvaiḥ
Dative	savīryatvāya	savīryatvābhyām	savīryatvebhyaḥ
Ablative	savīryatvāt	savīryatvābhyām	savīryatvebhyaḥ
Genitive	savīryatvasya	savīryatvayoḥ	savīryatvānām
Locative	savīryatve	savīryatvayoḥ	savīryatveṣu

Compound savīryatva -

Adverb -savīryatvam -savīryatvāt