Declension table of ?mahāvakāśa

Neuter	Singular	Dual	Plural
Nominative	mahāvakāśam	mahāvakāśe	mahāvakāśāni
Vocative	mahāvakāśa	mahāvakāśe	mahāvakāśāni
Accusative	mahāvakāśam	mahāvakāśe	mahāvakāśāni
Instrumental	mahāvakāśena	mahāvakāśābhyām	mahāvakāśaiḥ
Dative	mahāvakāśāya	mahāvakāśābhyām	mahāvakāśebhyaḥ
Ablative	mahāvakāśāt	mahāvakāśābhyām	mahāvakāśebhyaḥ
Genitive	mahāvakāśasya	mahāvakāśayoḥ	mahāvakāśānām
Locative	mahāvakāśe	mahāvakāśayoḥ	mahāvakāśeṣu

Compound mahāvakāśa -

Adverb -mahāvakāśam -mahāvakāśāt