The term 'Apply Novocaine To' can be summarized by the crossword solution 'DEADEN, ' which is a 6-letter word. DEADEN means to make something less intense or to reduce the strength of something. In this case, it is referring to the application of Novocaine, which is a local anesthetic used to numb a specific area of the body. By applying Novocaine, the patient will experience a deadening of sensation in the affected area.