Apendicitis or Appendicitis: How To spell?
The word Apendicitis is misspelled against Appendicitis, a noun meaning "Inflammation of the vermiform appendix."
Appendicitis has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings a & endicitis which should not be misspelled with single 'P'
Wrong Spelling:  a-p-endicitis  Correct Spelling:  a-pp-endicitis 
Find more wrongly spelled words of Appendicitis to spell it well.