The word Diearetic is misspelled against Diaeretic, an adjective meaning "Caustic."
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Diaeretic has vowels 'ae' together mispronounced as 'ea'
Word contains consecutive vowels 'AE' in between alphabets di & retic is misspelled as 'EA'
Wrong Spelling:  di-ea-retic 
Correct Spelling:  di-ae-retic 
Find more wrongly spelled words of Diaeretic to spell it well.