Declension table of ?mahāgrahāyaṇī

Feminine	Singular	Dual	Plural
Nominative	mahāgrahāyaṇī	mahāgrahāyaṇyau	mahāgrahāyaṇyaḥ
Vocative	mahāgrahāyaṇi	mahāgrahāyaṇyau	mahāgrahāyaṇyaḥ
Accusative	mahāgrahāyaṇīm	mahāgrahāyaṇyau	mahāgrahāyaṇīḥ
Instrumental	mahāgrahāyaṇyā	mahāgrahāyaṇībhyām	mahāgrahāyaṇībhiḥ
Dative	mahāgrahāyaṇyai	mahāgrahāyaṇībhyām	mahāgrahāyaṇībhyaḥ
Ablative	mahāgrahāyaṇyāḥ	mahāgrahāyaṇībhyām	mahāgrahāyaṇībhyaḥ
Genitive	mahāgrahāyaṇyāḥ	mahāgrahāyaṇyoḥ	mahāgrahāyaṇīnām
Locative	mahāgrahāyaṇyām	mahāgrahāyaṇyoḥ	mahāgrahāyaṇīṣu

Compound mahāgrahāyaṇi - mahāgrahāyaṇī -

Adverb -mahāgrahāyaṇi