Antemetic :: Antemetic (n.) A remedy to check or allay vomiting.
Emetic :: Emetic (a.) Inducing to vomit; exciting the stomach to discharge its contents by the mouth.
Emetic :: Emetic (n.) A medicine which causes vomiting.
Emetical :: Emetical (a.) Inducing to vomit; producing vomiting; emetic.