locked vs tenacious

locked

adj
  • Having undergone locking; secured by a lock. 

  • Very drunk. 

  • Bound to a carrier. 

tenacious

adj
  • Unwilling to yield or give up; dogged. 

  • Having a good memory; retentive. 

  • Holding together; cohesive. 

  • Clinging to an object or surface; adhesive. 

How often have the words locked and tenacious occurred in a corpus of books? (source: Google Ngram Viewer )