Do you mean venomous of poisonous?
Dictionary definitons:
Venomous: (of an animal) having a gland or glands for secreting venom; able to inflict a poisoned bite, sting, or wound: a venomous snake.
Posionous: full of or containing poison: poisonous air; a poisonous substance.
For example, most snakes are venomous (menaing if they bite you, you will become poisoned) but not poisonous (meaning if you eat them, you won’t be poisoned).
