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