near the knuckle vs unseemly

near the knuckle

prep
  • Risqué, sexual, suggestive of impropriety. 

unseemly

adj
  • Inconsistent with established standards of good form or taste. 

adv
  • In an unseemly manner. 

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