Declension table of śāntva

Neuter	Singular	Dual	Plural
Nominative	śāntvam	śāntve	śāntvāni
Vocative	śāntva	śāntve	śāntvāni
Accusative	śāntvam	śāntve	śāntvāni
Instrumental	śāntvena	śāntvābhyām	śāntvaiḥ
Dative	śāntvāya	śāntvābhyām	śāntvebhyaḥ
Ablative	śāntvāt	śāntvābhyām	śāntvebhyaḥ
Genitive	śāntvasya	śāntvayoḥ	śāntvānām
Locative	śāntve	śāntvayoḥ	śāntveṣu

Compound śāntva -

Adverb -śāntvam -śāntvāt