Declension table of ?mahāketu

Neuter	Singular	Dual	Plural
Nominative	mahāketu	mahāketunī	mahāketūni
Vocative	mahāketu	mahāketunī	mahāketūni
Accusative	mahāketu	mahāketunī	mahāketūni
Instrumental	mahāketunā	mahāketubhyām	mahāketubhiḥ
Dative	mahāketune	mahāketubhyām	mahāketubhyaḥ
Ablative	mahāketunaḥ	mahāketubhyām	mahāketubhyaḥ
Genitive	mahāketunaḥ	mahāketunoḥ	mahāketūnām
Locative	mahāketuni	mahāketunoḥ	mahāketuṣu

Compound mahāketu -

Adverb -mahāketu