Dumies or Dummies: How To spell?
The word Dumies is misspelled against Dummies, which is plural of "Dummy"
Dummies has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings du & ies which should not be misspelled with single 'M'
Wrong Spelling:  du-m-ies  Correct Spelling:  du-mm-ies 
Check more misspelled words of Dummies to spell it correct.