Intermitence or Intermittence: How To spell?
The word Intermitence is misspelled against Intermittence, a noun meaning "Act or state of intermitting; intermission."
Intermittence has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings intermi & ence which should not be misspelled with single 'T'
Wrong Spelling:  intermi-t-ence  Correct Spelling:  intermi-tt-ence 
Find more wrongly spelled words of Intermittence to spell it well.