Sumist or Summist: How To spell?
The word Sumist is misspelled against Summist, a noun meaning "One who sums up; one who forms an abridgment or summary."
Summist has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings su & ist which should not be misspelled with single 'M'
Wrong Spelling:  su-m-ist  Correct Spelling:  su-mm-ist 
Check more misspelled words of Summist to spell it correct.