Declension table of ?viśūla

Neuter	Singular	Dual	Plural
Nominative	viśūlam	viśūle	viśūlāni
Vocative	viśūla	viśūle	viśūlāni
Accusative	viśūlam	viśūle	viśūlāni
Instrumental	viśūlena	viśūlābhyām	viśūlaiḥ
Dative	viśūlāya	viśūlābhyām	viśūlebhyaḥ
Ablative	viśūlāt	viśūlābhyām	viśūlebhyaḥ
Genitive	viśūlasya	viśūlayoḥ	viśūlānām
Locative	viśūle	viśūlayoḥ	viśūleṣu

Compound viśūla -

Adverb -viśūlam -viśūlāt