capable of being bribed; corrupt
The prime minister has promised to end the venal bureaucratic culture that has poisoned the nation's official class for so long.
venus (for sale) (Latin)
ve + nal = we null. we can be easily bribed when we are null in terms of money. venal is somewhat related to veins that carries blood. a person taking bribes from poor is nothing but their blood sucker venal & penal are rhyming words. as penal is something related to crime. in that way we can remember venal as a crime (corruption).