decent vs near the knuckle

decent

adj
  • Sufficiently clothed or dressed to be seen. 

  • Having a suitable conformity to basic moral standards; showing integrity, fairness, or other characteristics associated with moral uprightness. 

  • Significant; substantial. 

  • Fair; good enough; okay. 

  • Conforming to perceived standards of good taste. 

near the knuckle

prep
  • Risqué, sexual, suggestive of impropriety. 

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