Declension table of ?samantrin

Neuter	Singular	Dual	Plural
Nominative	samantri	samantriṇī	samantrīṇi
Vocative	samantrin samantri	samantriṇī	samantrīṇi
Accusative	samantri	samantriṇī	samantrīṇi
Instrumental	samantriṇā	samantribhyām	samantribhiḥ
Dative	samantriṇe	samantribhyām	samantribhyaḥ
Ablative	samantriṇaḥ	samantribhyām	samantribhyaḥ
Genitive	samantriṇaḥ	samantriṇoḥ	samantriṇām
Locative	samantriṇi	samantriṇoḥ	samantriṣu

Compound samantri -

Adverb -samantri