Incesancy or Incessancy: How To spell?
The word Incesancy is misspelled against Incessancy, a noun meaning "The quality of being incessant; unintermitted continuance; unceasingness."
Incessancy has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings ince & ancy which should not be misspelled with single 'S'
Wrong Spelling:  ince-s-ancy  Correct Spelling:  ince-ss-ancy 
Explore spell check of Incessancy to spell without errors.