Declension table of ?śāntanutva

Neuter	Singular	Dual	Plural
Nominative	śāntanutvam	śāntanutve	śāntanutvāni
Vocative	śāntanutva	śāntanutve	śāntanutvāni
Accusative	śāntanutvam	śāntanutve	śāntanutvāni
Instrumental	śāntanutvena	śāntanutvābhyām	śāntanutvaiḥ
Dative	śāntanutvāya	śāntanutvābhyām	śāntanutvebhyaḥ
Ablative	śāntanutvāt	śāntanutvābhyām	śāntanutvebhyaḥ
Genitive	śāntanutvasya	śāntanutvayoḥ	śāntanutvānām
Locative	śāntanutve	śāntanutvayoḥ	śāntanutveṣu

Compound śāntanutva -

Adverb -śāntanutvam -śāntanutvāt