We don't have synonyms for venim yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are venom, denim and venin.
(n) :
Obsolete spelling of venom. [An animal toxin intended for defensive or offensive use; a biological poison delivered by bite, sting, etc., to protect an animal or to kill its prey.]
(n) :
Obsolete spelling of venom. [An animal toxin intended for defensive or offensive use; a biological poison delivered by bite, sting, etc., to protect an animal or to kill its prey.]