Declension table of ?mahānābha

Neuter	Singular	Dual	Plural
Nominative	mahānābham	mahānābhe	mahānābhāni
Vocative	mahānābha	mahānābhe	mahānābhāni
Accusative	mahānābham	mahānābhe	mahānābhāni
Instrumental	mahānābhena	mahānābhābhyām	mahānābhaiḥ
Dative	mahānābhāya	mahānābhābhyām	mahānābhebhyaḥ
Ablative	mahānābhāt	mahānābhābhyām	mahānābhebhyaḥ
Genitive	mahānābhasya	mahānābhayoḥ	mahānābhānām
Locative	mahānābhe	mahānābhayoḥ	mahānābheṣu

Compound mahānābha -

Adverb -mahānābham -mahānābhāt