Declension table of ?śantiva

Neuter	Singular	Dual	Plural
Nominative	śantivam	śantive	śantivāni
Vocative	śantiva	śantive	śantivāni
Accusative	śantivam	śantive	śantivāni
Instrumental	śantivena	śantivābhyām	śantivaiḥ
Dative	śantivāya	śantivābhyām	śantivebhyaḥ
Ablative	śantivāt	śantivābhyām	śantivebhyaḥ
Genitive	śantivasya	śantivayoḥ	śantivānām
Locative	śantive	śantivayoḥ	śantiveṣu

Compound śantiva -

Adverb -śantivam -śantivāt