The word Prestablish is misspelled against Preestablish, meaning "To settle or arrange beforehand."
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Preestablish has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Pr & stablish which should not be misspelled with single 'E'
Wrong Spelling:  Pr-e-stablish 
Correct Spelling:  Pr-ee-stablish 
Find more wrongly spelled words of Preestablish to spell it well.