The term 'STAB OF PAIN' can be broken down into two crossword solutions: PANG (4 letters) and TWINGE (6 letters). PANG is a sharp, sudden pain that is usually brief in duration. It is often described as a stabbing or piercing sensation. TWINGE is a more prolonged, dull ache that is usually localized to a specific area. It is often associated with muscle tension or soreness. Both terms are used to describe physical pain, but they differ in intensity and duration.