The word Treidfowl is misspelled against Treadfowl, a noun meaning "A cock."
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Treadfowl has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets tr & dfowl is misspelled as 'EI'
Wrong Spelling:  tr-ei-dfowl 
Correct Spelling:  tr-ea-dfowl 
Find more incorrect spellings of Treadfowl to spell right way.