Declension table of ?rumābhava

Neuter	Singular	Dual	Plural
Nominative	rumābhavam	rumābhave	rumābhavāṇi
Vocative	rumābhava	rumābhave	rumābhavāṇi
Accusative	rumābhavam	rumābhave	rumābhavāṇi
Instrumental	rumābhaveṇa	rumābhavābhyām	rumābhavaiḥ
Dative	rumābhavāya	rumābhavābhyām	rumābhavebhyaḥ
Ablative	rumābhavāt	rumābhavābhyām	rumābhavebhyaḥ
Genitive	rumābhavasya	rumābhavayoḥ	rumābhavāṇām
Locative	rumābhave	rumābhavayoḥ	rumābhaveṣu

Compound rumābhava -

Adverb -rumābhavam -rumābhavāt