T-off vs roil

T-off

roil

verb
  • To romp. 

  • To render turbid by stirring up the dregs or sediment of. 

  • To bubble, seethe. 

  • To annoy; to make angry; to throw into discord. 

How often have the words T-off and roil occurred in a corpus of books? (source: Google Ngram Viewer )