Efacement or Effacement: How To spell?
The word Efacement is misspelled against Effacement, a noun meaning "The act if effacing; also, the result of the act."
Effacement has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings E & acement which should not be misspelled with single 'F'
Wrong Spelling:  E-f-acement  Correct Spelling:  E-ff-acement 
Explore spell check of Effacement to spell without errors.