border vs let go

border

verb
  • To touch at a border (with on, upon, or with). 

  • To approach; to come near to; to verge (with on or upon). 

  • To put a border on something. 

  • To form a border around; to bound. 

  • To lie on, or adjacent to, a border of. 

noun
  • A string that is both a prefix and a suffix of another particular string. 

  • The outer edge of something. 

  • A strip of ground in which ornamental plants are grown. 

  • border morris or border dancing; a vigorous style of traditional English dance originating from villages along the border between England and Wales, performed by a team of dancers usually with their faces disguised with black makeup. 

  • The line or frontier area separating political or geographical regions. 

  • A decorative strip around the edge of something. 

let go

verb
  • To release from one's grasp; to go from a state of holding on to a state of no longer holding on. 

  • To dismiss from employment. 

  • To ignore (a comment, etc.). 

  • To emotionally disengage or to distract oneself from a situation. 

  • To fail to maintain a standard of appearance, behavior, or performance. 

  • Used other than figuratively or idiomatically: see let, go. 

  • To gain weight 

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