Magdalene vs treddle

Magdalene

noun
  • A reformed prostitute. 

name
  • A female given name from Hebrew 

  • Mary Magdalene, a disciple of Jesus. 

treddle

noun
  • The dung of sheep or hares. 

  • A prostitute; strumpet. 

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