Upseting or Upsetting: How To spell?
The word Upseting is misspelled against Upsetting, an adjective meaning "Conceited; assuming; as, an upsetting fellow."
Upsetting has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings upse & ing which should not be misspelled with single 'T'
Wrong Spelling:  upse-t-ing  Correct Spelling:  upse-tt-ing 
Find more wrongly spelled words of Upsetting to spell it well.