Gumy or Gummy: How To spell?
The word Gumy is misspelled against Gummy, an adjective meaning "Consisting of gum; viscous; adhesive; producing or containing gum; covered with gum or a substance resembling gum."
Gummy has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings gu & y which should not be misspelled with single 'M'
Wrong Spelling:  gu-m-y  Correct Spelling:  gu-mm-y 
Check more misspelled words of Gummy to spell it correct.