Efumability or Effumability: How To spell?
The word Efumability is misspelled against Effumability, a noun meaning "The capability of flying off in fumes or vapor."
Effumability has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings E & umability which should not be misspelled with single 'F'
Wrong Spelling:  E-f-umability  Correct Spelling:  E-ff-umability 
Check more misspelled words of Effumability to spell it correct.