Monotesaron or Monotessaron: How To spell?
The word Monotesaron is misspelled against Monotessaron, a noun meaning "A single narrative framed from the statements of the four evangelists; a gospel harmony."
Monotessaron has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings monote & aron which should not be misspelled with single 'S'
Wrong Spelling:  monote-s-aron  Correct Spelling:  monote-ss-aron 
Find more incorrect spellings of Monotessaron to spell right way.