The word Prexamined is misspelled against Preexamined, which is past tense of "Preexamine"
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Preexamined has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Pr & xamined which should not be misspelled with single 'E'
Wrong Spelling:  Pr-e-xamined 
Correct Spelling:  Pr-ee-xamined 
Find more wrongly spelled words of Preexamined to spell it well.