The term 'lock opener' can be broken down into four parts: INTER (5 letters), KEY (3 letters), ANTI (4 letters), and COMBINATION (11 letters). INTER is short for 'INTERCHANGEABLE, ' which means that the lock opener can be used with different types of locks. KEY refers to the physical KEY that is used to open the lock. ANTI is short for 'ANTI-theft, ' meaning that the lock opener is designed to prevent theft. Finally, COMBINATION refers to the COMBINATION of the INTERCHANGEABLE KEY and ANTI-theft features that make up the lock opener.