Declension table of ?mahāśivarātrivrata

Neuter	Singular	Dual	Plural
Nominative	mahāśivarātrivratam	mahāśivarātrivrate	mahāśivarātrivratāni
Vocative	mahāśivarātrivrata	mahāśivarātrivrate	mahāśivarātrivratāni
Accusative	mahāśivarātrivratam	mahāśivarātrivrate	mahāśivarātrivratāni
Instrumental	mahāśivarātrivratena	mahāśivarātrivratābhyām	mahāśivarātrivrataiḥ
Dative	mahāśivarātrivratāya	mahāśivarātrivratābhyām	mahāśivarātrivratebhyaḥ
Ablative	mahāśivarātrivratāt	mahāśivarātrivratābhyām	mahāśivarātrivratebhyaḥ
Genitive	mahāśivarātrivratasya	mahāśivarātrivratayoḥ	mahāśivarātrivratānām
Locative	mahāśivarātrivrate	mahāśivarātrivratayoḥ	mahāśivarātrivrateṣu

Compound mahāśivarātrivrata -

Adverb -mahāśivarātrivratam -mahāśivarātrivratāt