foul-mouthed vs licentious

foul-mouthed

adj
  • Tending to use obscene or offensive language. 

licentious

adj
  • Lacking restraint, or ignoring societal standards, particularly in sexual conduct; sexually unprincipled 

  • Disregarding accepted rules. 

How often have the words foul-mouthed and licentious occurred in a corpus of books? (source: Google Ngram Viewer )