Declension table of ?vigra

Masculine	Singular	Dual	Plural
Nominative	vigraḥ	vigrau	vigrāḥ
Vocative	vigra	vigrau	vigrāḥ
Accusative	vigram	vigrau	vigrān
Instrumental	vigreṇa	vigrābhyām	vigraiḥ vigrebhiḥ
Dative	vigrāya	vigrābhyām	vigrebhyaḥ
Ablative	vigrāt	vigrābhyām	vigrebhyaḥ
Genitive	vigrasya	vigrayoḥ	vigrāṇām
Locative	vigre	vigrayoḥ	vigreṣu

Compound vigra -

Adverb -vigram -vigrāt