Declension table of ?usṛ

Feminine	Singular	Dual	Plural
Nominative	usā	usārau	usāraḥ
Vocative	usaḥ	usārau	usāraḥ
Accusative	usāram	usārau	usṝḥ
Instrumental	usrā	usṛbhyām	usṛbhiḥ
Dative	usre	usṛbhyām	usṛbhyaḥ
Ablative	usuḥ	usṛbhyām	usṛbhyaḥ
Genitive	usuḥ	usroḥ	usṝṇām
Locative	usari	usroḥ	usṛṣu

Compound usṛ -

Adverb -usṛ