Efronteries or Effronteries: How To spell?
The word Efronteries is misspelled against Effronteries, which is plural of "Effrontery"
Effronteries has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings E & ronteries which should not be misspelled with single 'F'
Wrong Spelling:  E-f-ronteries  Correct Spelling:  E-ff-ronteries 
Find more incorrect spellings of Effronteries to spell right way.