gold digger vs minx

gold digger

noun
  • A person (usually female) who cultivates a personal relationship in order to attain wealth. 

  • Someone who digs or mines for gold. 

minx

noun
  • A flirtatious, impudent, or pert young woman. 

verb
  • To make (someone) like a minx; (intransitive) to become like a minx. 

  • Used transitively when followed by it: to behave like a minx, that is, in a flirtatious and impudent manner. 

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