Declension table of ?mahāhaṃsa

Masculine	Singular	Dual	Plural
Nominative	mahāhaṃsaḥ	mahāhaṃsau	mahāhaṃsāḥ
Vocative	mahāhaṃsa	mahāhaṃsau	mahāhaṃsāḥ
Accusative	mahāhaṃsam	mahāhaṃsau	mahāhaṃsān
Instrumental	mahāhaṃsena	mahāhaṃsābhyām	mahāhaṃsaiḥ
Dative	mahāhaṃsāya	mahāhaṃsābhyām	mahāhaṃsebhyaḥ
Ablative	mahāhaṃsāt	mahāhaṃsābhyām	mahāhaṃsebhyaḥ
Genitive	mahāhaṃsasya	mahāhaṃsayoḥ	mahāhaṃsānām
Locative	mahāhaṃse	mahāhaṃsayoḥ	mahāhaṃseṣu

Compound mahāhaṃsa -

Adverb -mahāhaṃsam -mahāhaṃsāt