Declension table of ?drū

Feminine	Singular	Dual	Plural
Nominative	drūḥ	druvau	druvaḥ
Vocative	drūḥ dru	druvau	druvaḥ
Accusative	druvam	druvau	druvaḥ
Instrumental	druvā	drūbhyām	drūbhiḥ
Dative	druvai druve	drūbhyām	drūbhyaḥ
Ablative	druvāḥ druvaḥ	drūbhyām	drūbhyaḥ
Genitive	druvāḥ druvaḥ	druvoḥ	drūṇām druvām
Locative	druvi druvām	druvoḥ	drūṣu

Compound drū -

Adverb -dru