Declension table of tantrin

Masculine	Singular	Dual	Plural
Nominative	tantrī	tantriṇau	tantriṇaḥ
Vocative	tantrin	tantriṇau	tantriṇaḥ
Accusative	tantriṇam	tantriṇau	tantriṇaḥ
Instrumental	tantriṇā	tantribhyām	tantribhiḥ
Dative	tantriṇe	tantribhyām	tantribhyaḥ
Ablative	tantriṇaḥ	tantribhyām	tantribhyaḥ
Genitive	tantriṇaḥ	tantriṇoḥ	tantriṇām
Locative	tantriṇi	tantriṇoḥ	tantriṣu

Compound tantri -

Adverb -tantri