Declension table of vena

Masculine	Singular	Dual	Plural
Nominative	venaḥ	venau	venāḥ
Vocative	vena	venau	venāḥ
Accusative	venam	venau	venān
Instrumental	venena	venābhyām	venaiḥ venebhiḥ
Dative	venāya	venābhyām	venebhyaḥ
Ablative	venāt	venābhyām	venebhyaḥ
Genitive	venasya	venayoḥ	venānām
Locative	vene	venayoḥ	veneṣu

Compound vena -

Adverb -venam -venāt