XXXX vs rude

XXXX

adj
  • X-rated, pornographic 

name
  • a fuck / damn. 

  • Tetrasomy X, a rare chromosomal disorder affecting females, caused by the presence of four X chromosomes instead of two present in the usual human karyotype. 

rude

adj
  • Violent; abrupt; turbulent. 

  • Somewhat obscene, pornographic, offensive. 

  • Lacking in refinement or civility; bad-mannered; discourteous. 

  • Undeveloped, unskilled, inelegant. 

  • Hearty, vigorous; found particularly in the phrase rude health. 

  • Crudely made; primitive. 

  • Lacking refinement or skill; untaught; ignorant; raw. 

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