Declension table of ?mahākāyatva

Neuter	Singular	Dual	Plural
Nominative	mahākāyatvam	mahākāyatve	mahākāyatvāni
Vocative	mahākāyatva	mahākāyatve	mahākāyatvāni
Accusative	mahākāyatvam	mahākāyatve	mahākāyatvāni
Instrumental	mahākāyatvena	mahākāyatvābhyām	mahākāyatvaiḥ
Dative	mahākāyatvāya	mahākāyatvābhyām	mahākāyatvebhyaḥ
Ablative	mahākāyatvāt	mahākāyatvābhyām	mahākāyatvebhyaḥ
Genitive	mahākāyatvasya	mahākāyatvayoḥ	mahākāyatvānām
Locative	mahākāyatve	mahākāyatvayoḥ	mahākāyatveṣu

Compound mahākāyatva -

Adverb -mahākāyatvam -mahākāyatvāt