Gumed or Gummed: How To spell?
The word Gumed is misspelled against Gummed, which is past tense of "Gum"
Gummed has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings gu & ed which should not be misspelled with single 'M'
Wrong Spelling:  gu-m-ed  Correct Spelling:  gu-mm-ed 
Check more misspelled words of Gummed to spell it correct.