Declension table of arūpa

Masculine	Singular	Dual	Plural
Nominative	arūpaḥ	arūpau	arūpāḥ
Vocative	arūpa	arūpau	arūpāḥ
Accusative	arūpam	arūpau	arūpān
Instrumental	arūpeṇa	arūpābhyām	arūpaiḥ arūpebhiḥ
Dative	arūpāya	arūpābhyām	arūpebhyaḥ
Ablative	arūpāt	arūpābhyām	arūpebhyaḥ
Genitive	arūpasya	arūpayoḥ	arūpāṇām
Locative	arūpe	arūpayoḥ	arūpeṣu

Compound arūpa -

Adverb -arūpam -arūpāt