Declension table of ?aruj

Masculine	Singular	Dual	Plural
Nominative	aruk	arujau	arujaḥ
Vocative	aruk	arujau	arujaḥ
Accusative	arujam	arujau	arujaḥ
Instrumental	arujā	arugbhyām	arugbhiḥ
Dative	aruje	arugbhyām	arugbhyaḥ
Ablative	arujaḥ	arugbhyām	arugbhyaḥ
Genitive	arujaḥ	arujoḥ	arujām
Locative	aruji	arujoḥ	arukṣu

Compound aruk -

Adverb -aruk