Dimy or Dimmy: How To spell?
The word Dimy is misspelled against Dimmy, an adjective meaning "Somewhat dim; as, dimmish eyes."
Dimmy has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings di & y which should not be misspelled with single 'M'
Wrong Spelling:  di-m-y  Correct Spelling:  di-mm-y 
Find more wrongly spelled words of Dimmy to spell it well.