The word Efaceable is misspelled against Effaceable, an adjective meaning "Capable of being effaced."
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Effaceable has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings E & aceable which should not be misspelled with single 'F'
Wrong Spelling:  E-f-aceable 
Correct Spelling:  E-ff-aceable 
Explore spell check of Effaceable to spell without errors.