Declension table of ?śāntarūpa

Neuter	Singular	Dual	Plural
Nominative	śāntarūpam	śāntarūpe	śāntarūpāṇi
Vocative	śāntarūpa	śāntarūpe	śāntarūpāṇi
Accusative	śāntarūpam	śāntarūpe	śāntarūpāṇi
Instrumental	śāntarūpeṇa	śāntarūpābhyām	śāntarūpaiḥ
Dative	śāntarūpāya	śāntarūpābhyām	śāntarūpebhyaḥ
Ablative	śāntarūpāt	śāntarūpābhyām	śāntarūpebhyaḥ
Genitive	śāntarūpasya	śāntarūpayoḥ	śāntarūpāṇām
Locative	śāntarūpe	śāntarūpayoḥ	śāntarūpeṣu

Compound śāntarūpa -

Adverb -śāntarūpam -śāntarūpāt