Declension table of ?śāntayitavya

Masculine	Singular	Dual	Plural
Nominative	śāntayitavyaḥ	śāntayitavyau	śāntayitavyāḥ
Vocative	śāntayitavya	śāntayitavyau	śāntayitavyāḥ
Accusative	śāntayitavyam	śāntayitavyau	śāntayitavyān
Instrumental	śāntayitavyena	śāntayitavyābhyām	śāntayitavyaiḥ śāntayitavyebhiḥ
Dative	śāntayitavyāya	śāntayitavyābhyām	śāntayitavyebhyaḥ
Ablative	śāntayitavyāt	śāntayitavyābhyām	śāntayitavyebhyaḥ
Genitive	śāntayitavyasya	śāntayitavyayoḥ	śāntayitavyānām
Locative	śāntayitavye	śāntayitavyayoḥ	śāntayitavyeṣu

Compound śāntayitavya -

Adverb -śāntayitavyam -śāntayitavyāt