Dumy or Dummy: How To spell?

The word Dumy is misspelled against Dummy, a noun meaning "A floating barge connected with a pier."

Dummy has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings du & y which should not be misspelled with single 'M'
Wrong Spelling:  du-m-y 
Correct Spelling:  du-mm-y 
Check more misspelled words of Dummy to spell it correct.

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