Declension table of ?mahātriśūla

Neuter	Singular	Dual	Plural
Nominative	mahātriśūlam	mahātriśūle	mahātriśūlāni
Vocative	mahātriśūla	mahātriśūle	mahātriśūlāni
Accusative	mahātriśūlam	mahātriśūle	mahātriśūlāni
Instrumental	mahātriśūlena	mahātriśūlābhyām	mahātriśūlaiḥ
Dative	mahātriśūlāya	mahātriśūlābhyām	mahātriśūlebhyaḥ
Ablative	mahātriśūlāt	mahātriśūlābhyām	mahātriśūlebhyaḥ
Genitive	mahātriśūlasya	mahātriśūlayoḥ	mahātriśūlānām
Locative	mahātriśūle	mahātriśūlayoḥ	mahātriśūleṣu

Compound mahātriśūla -

Adverb -mahātriśūlam -mahātriśūlāt