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