borderline vs rim

borderline

noun
  • A boundary or accepted division; a border. 

  • An individual who has borderline personality disorder. 

adv
  • Nearly; not entirely but nevertheless to a great extent. 

verb
  • To border, or border on; to be physically close or conceptually akin to. 

adj
  • Showing bad taste. 

  • Nearly; not clearly on one side or the other of a border or boundary, ambiguous. 

  • Exhibiting borderline personality disorder. 

rim

noun
  • An edge around something, especially when circular. 

  • A wheelrim. 

  • A membrane. 

  • A semicircular copydesk. 

verb
  • To form a rim on. 

  • To roll around a rim. 

  • To lick the anus of a partner as a sexual act. 

  • To follow the contours, possibly creating a circuit. 

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