Declension table of naptṛ

Masculine	Singular	Dual	Plural
Nominative	naptā	naptārau	naptāraḥ
Vocative	naptaḥ	naptārau	naptāraḥ
Accusative	naptāram	naptārau	naptṝn
Instrumental	naptrā	naptṛbhyām	naptṛbhiḥ
Dative	naptre	naptṛbhyām	naptṛbhyaḥ
Ablative	naptuḥ	naptṛbhyām	naptṛbhyaḥ
Genitive	naptuḥ	naptroḥ	naptṝṇām
Locative	naptari	naptroḥ	naptṛṣu

Compound naptṛ -

Adverb -naptṛ