12-Letter Words Containing: I,R,T,I,E,R

• a drug used to reduce stress or tension without reducing mental clarity

• a professional boxer

• bring outside the body for surgery, of organs

• make external or objective, or give reality to

• To externalize.

• To expose (an internal organ) for observation or surgery.

• be on friendly terms with someone, as if with a brother, especially with an enemy

• something that is required in advance

• required as a prior condition or course of study