enlist vs uniquify

enlist

verb
  • To recruit the aid or membership of others. 

  • To enter on a list; to enroll; to register. 

  • To secure; to obtain. 

  • To voluntarily join a cause or organization, especially military service. 

noun
  • One who is enlisted, usually in a military service. 

uniquify

verb
  • To turn an instance of a type into an instance of a new unique copy of the original type. 

  • To eliminate duplicates from a list, especially when using the *nix command/function uniq. 

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