Declension table of ?sanatra

Masculine	Singular	Dual	Plural
Nominative	sanatraḥ	sanatrau	sanatrāḥ
Vocative	sanatra	sanatrau	sanatrāḥ
Accusative	sanatram	sanatrau	sanatrān
Instrumental	sanatreṇa	sanatrābhyām	sanatraiḥ sanatrebhiḥ
Dative	sanatrāya	sanatrābhyām	sanatrebhyaḥ
Ablative	sanatrāt	sanatrābhyām	sanatrebhyaḥ
Genitive	sanatrasya	sanatrayoḥ	sanatrāṇām
Locative	sanatre	sanatrayoḥ	sanatreṣu

Compound sanatra -

Adverb -sanatram -sanatrāt