chromo vs skivvy

chromo

noun
  • A prostitute. 

  • A color print produced by chromolithography. 

adj
  • Of or relating to the chromodomain, a protein structural domain associated with chromatin production 

skivvy

noun
  • A prostitute. 

  • A close-fitting, long-sleeved T-shirt with a rolled collar. 

verb
  • To perform menial work; to do chores, like a servant. 

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