Harponed or Harpooned: How To spell?

The word Harponed is misspelled against Harpooned, which is past tense of "Harpoon"

Harpooned has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings harp & ned which should not be misspelled with single 'O'
Wrong Spelling:  harp-o-ned 
Correct Spelling:  harp-oo-ned 
Find more incorrect spellings of Harpooned to spell right way.

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