do the deed vs eff

do the deed

verb
  • Used other than figuratively or idiomatically: to do a given deed. 

  • To have sex. 

eff

verb
  • To put into words; to express. 

  • Fuck (the taboo swear word, but not in the sense "to copulate") 

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