The word Disapeared is misspelled against Disappeared, which is past tense of "Disappear"
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Disappeared has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings disa & eared which should not be misspelled with single 'P'
Wrong Spelling:  disa-p-eared 
Correct Spelling:  disa-pp-eared 
Find more wrongly spelled words of Disappeared to spell it well.