The word Thredy is misspelled against Thready, an adjective meaning "Containing, or consisting of, thread."
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Thready has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets thr & dy is misspelled as 'E'
Wrong Spelling:  thr-e-dy 
Correct Spelling:  thr-ea-dy 
Explore spell check of Thready to spell without errors.