Gumer or Gummer: How To spell?

The word Gumer is misspelled against Gummer, a noun meaning "A punch-cutting tool, or machine for deepening and enlarging the spaces between the teeth of a worn saw."

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

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