mouthful vs penilingus

mouthful

noun
  • Quite a bit. 

  • The amount that will fit in a mouth. 

  • A tirade of abusive language. 

  • Something difficult to pronounce or say. 

adj
  • Bombastic or awkward. 

penilingus

noun
  • Fellatio. 

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