Diarhoeal or Diarrhoeal: How To spell?
The word Diarhoeal is misspelled against Diarrhoeal, an adjective meaning "pertaining to diarrhea; like diarrhea."
Diarrhoeal has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings dia & hoeal which should not be misspelled with single 'R'
Wrong Spelling:  dia-r-hoeal  Correct Spelling:  dia-rr-hoeal 
Find more incorrect spellings of Diarrhoeal to spell right way.