Declension table of ?nantṛ

Masculine	Singular	Dual	Plural
Nominative	nantā	nantārau	nantāraḥ
Vocative	nantaḥ	nantārau	nantāraḥ
Accusative	nantāram	nantārau	nantṝn
Instrumental	nantrā	nantṛbhyām	nantṛbhiḥ
Dative	nantre	nantṛbhyām	nantṛbhyaḥ
Ablative	nantuḥ	nantṛbhyām	nantṛbhyaḥ
Genitive	nantuḥ	nantroḥ	nantṝṇām
Locative	nantari	nantroḥ	nantṛṣu

Compound nantṛ -

Adverb -nantṛ