Declension table of ?samantra

Masculine	Singular	Dual	Plural
Nominative	samantraḥ	samantrau	samantrāḥ
Vocative	samantra	samantrau	samantrāḥ
Accusative	samantram	samantrau	samantrān
Instrumental	samantreṇa	samantrābhyām	samantraiḥ samantrebhiḥ
Dative	samantrāya	samantrābhyām	samantrebhyaḥ
Ablative	samantrāt	samantrābhyām	samantrebhyaḥ
Genitive	samantrasya	samantrayoḥ	samantrāṇām
Locative	samantre	samantrayoḥ	samantreṣu

Compound samantra -

Adverb -samantram -samantrāt