Declension table of ?śāntipātra

Neuter	Singular	Dual	Plural
Nominative	śāntipātram	śāntipātre	śāntipātrāṇi
Vocative	śāntipātra	śāntipātre	śāntipātrāṇi
Accusative	śāntipātram	śāntipātre	śāntipātrāṇi
Instrumental	śāntipātreṇa	śāntipātrābhyām	śāntipātraiḥ
Dative	śāntipātrāya	śāntipātrābhyām	śāntipātrebhyaḥ
Ablative	śāntipātrāt	śāntipātrābhyām	śāntipātrebhyaḥ
Genitive	śāntipātrasya	śāntipātrayoḥ	śāntipātrāṇām
Locative	śāntipātre	śāntipātrayoḥ	śāntipātreṣu

Compound śāntipātra -

Adverb -śāntipātram -śāntipātrāt