Declension table of ?mahānaka

Masculine	Singular	Dual	Plural
Nominative	mahānakaḥ	mahānakau	mahānakāḥ
Vocative	mahānaka	mahānakau	mahānakāḥ
Accusative	mahānakam	mahānakau	mahānakān
Instrumental	mahānakena	mahānakābhyām	mahānakaiḥ mahānakebhiḥ
Dative	mahānakāya	mahānakābhyām	mahānakebhyaḥ
Ablative	mahānakāt	mahānakābhyām	mahānakebhyaḥ
Genitive	mahānakasya	mahānakayoḥ	mahānakānām
Locative	mahānake	mahānakayoḥ	mahānakeṣu

Compound mahānaka -

Adverb -mahānakam -mahānakāt