Declension table of ?mahāvakāśa

Masculine	Singular	Dual	Plural
Nominative	mahāvakāśaḥ	mahāvakāśau	mahāvakāśāḥ
Vocative	mahāvakāśa	mahāvakāśau	mahāvakāśāḥ
Accusative	mahāvakāśam	mahāvakāśau	mahāvakāśān
Instrumental	mahāvakāśena	mahāvakāśābhyām	mahāvakāśaiḥ mahāvakāśebhiḥ
Dative	mahāvakāśāya	mahāvakāśābhyām	mahāvakāśebhyaḥ
Ablative	mahāvakāśāt	mahāvakāśābhyām	mahāvakāśebhyaḥ
Genitive	mahāvakāśasya	mahāvakāśayoḥ	mahāvakāśānām
Locative	mahāvakāśe	mahāvakāśayoḥ	mahāvakāśeṣu

Compound mahāvakāśa -

Adverb -mahāvakāśam -mahāvakāśāt