The word Misunderstod is misspelled against Misunderstood, which is past tense of "Misunderstand"
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Misunderstood has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings misunderst & d which should not be misspelled with single 'O'
Wrong Spelling:  misunderst-o-d 
Correct Spelling:  misunderst-oo-d 
Check more misspelled words of Misunderstood to spell it correct.