near the knuckle vs raunchy

near the knuckle

prep
  • Risqué, sexual, suggestive of impropriety. 

raunchy

adj
  • Very low-class; inferior; inadequate. 

  • With dishonorable, base and vulgar expression. 

  • Lecherous. 

  • Smutty; indecent. 

  • Sexually seductive. 

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