The word Dieireses is misspelled against Diaereses, which is plural of "Dieresis"
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Diaereses has vowels 'ae' together mispronounced as 'ei'
Word contains consecutive vowels 'AE' in between alphabets di & reses is misspelled as 'EI'
Wrong Spelling:  di-ei-reses 
Correct Spelling:  di-ae-reses 
Find more wrongly spelled words of Diaereses to spell it well.