Underwited or Underwitted: How To spell?
The word Underwited is misspelled against Underwitted, an adjective meaning "Weak in intellect; half-witted; silly."
Underwitted has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings underwi & ed which should not be misspelled with single 'T'
Wrong Spelling:  underwi-t-ed  Correct Spelling:  underwi-tt-ed 
Find more wrongly spelled words of Underwitted to spell it well.