floozie vs streetwalker

floozie

noun
  • A prostitute who attracts customers by walking the streets. 

  • A vulgar or sexually promiscuous woman; a hussy or slattern. 

streetwalker

noun
  • A prostitute who looks for customers on the streets and in other public places. 

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