The term THEY BITE can be broken down into three crossword solutions: INCISORS (8 letters), MOLARS (6 letters), and TEETH (5 letters). Incisors are the sharp, chisel-shaped TEETH located at the front of the mouth. They are used for cutting and biting food. MOLARS are the large, flat TEETH located at the back of the mouth. They are used for grinding and crushing food. TEETH are the hard, bony structures located in the mouth that are used for biting and chewing food.