Declension table of ?śāntanīya

Neuter	Singular	Dual	Plural
Nominative	śāntanīyam	śāntanīye	śāntanīyāni
Vocative	śāntanīya	śāntanīye	śāntanīyāni
Accusative	śāntanīyam	śāntanīye	śāntanīyāni
Instrumental	śāntanīyena	śāntanīyābhyām	śāntanīyaiḥ
Dative	śāntanīyāya	śāntanīyābhyām	śāntanīyebhyaḥ
Ablative	śāntanīyāt	śāntanīyābhyām	śāntanīyebhyaḥ
Genitive	śāntanīyasya	śāntanīyayoḥ	śāntanīyānām
Locative	śāntanīye	śāntanīyayoḥ	śāntanīyeṣu

Compound śāntanīya -

Adverb -śāntanīyam -śāntanīyāt