daddy long-legs spider vs reaper

daddy long-legs spider

noun
  • Any of the true spiders of the family Pholcidae: small spiders with long legs. 

reaper

noun
  • The recluse spider (Loxosceles and Sicarius spp.). 

  • One who reaps; a person employed to harvest crops from the fields by reaping. 

  • A machine used to harvest crops. 

How often have the words daddy long-legs spider and reaper occurred in a corpus of books? (source: Google Ngram Viewer )