Declension table of ?mahāruj

Neuter	Singular	Dual	Plural
Nominative	mahāruk	mahārujī	mahāruñji
Vocative	mahāruk	mahārujī	mahāruñji
Accusative	mahāruk	mahārujī	mahāruñji
Instrumental	mahārujā	mahārugbhyām	mahārugbhiḥ
Dative	mahāruje	mahārugbhyām	mahārugbhyaḥ
Ablative	mahārujaḥ	mahārugbhyām	mahārugbhyaḥ
Genitive	mahārujaḥ	mahārujoḥ	mahārujām
Locative	mahāruji	mahārujoḥ	mahārukṣu

Compound mahāruk -

Adverb -mahāruk