Declension table of ?śāntika

Neuter	Singular	Dual	Plural
Nominative	śāntikam	śāntike	śāntikāni
Vocative	śāntika	śāntike	śāntikāni
Accusative	śāntikam	śāntike	śāntikāni
Instrumental	śāntikena	śāntikābhyām	śāntikaiḥ
Dative	śāntikāya	śāntikābhyām	śāntikebhyaḥ
Ablative	śāntikāt	śāntikābhyām	śāntikebhyaḥ
Genitive	śāntikasya	śāntikayoḥ	śāntikānām
Locative	śāntike	śāntikayoḥ	śāntikeṣu

Compound śāntika -

Adverb -śāntikam -śāntikāt