Impecancy or Impeccancy: How To spell?
The word Impecancy is misspelled against Impeccancy, a noun meaning "Sinlessness."
Impeccancy has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Impe & ancy which should not be misspelled with single 'C'
Wrong Spelling:  Impe-c-ancy  Correct Spelling:  Impe-cc-ancy 
Explore spell check of Impeccancy to spell without errors.