Declension table of ?mahāgraha

Masculine	Singular	Dual	Plural
Nominative	mahāgrahaḥ	mahāgrahau	mahāgrahāḥ
Vocative	mahāgraha	mahāgrahau	mahāgrahāḥ
Accusative	mahāgraham	mahāgrahau	mahāgrahān
Instrumental	mahāgraheṇa	mahāgrahābhyām	mahāgrahaiḥ mahāgrahebhiḥ
Dative	mahāgrahāya	mahāgrahābhyām	mahāgrahebhyaḥ
Ablative	mahāgrahāt	mahāgrahābhyām	mahāgrahebhyaḥ
Genitive	mahāgrahasya	mahāgrahayoḥ	mahāgrahāṇām
Locative	mahāgrahe	mahāgrahayoḥ	mahāgraheṣu

Compound mahāgraha -

Adverb -mahāgraham -mahāgrahāt