Traeder or Treader: How To spell?

The word Traeder is misspelled against Treader, a noun meaning "One who treads."

Treader has vowels 'ea' together mispronounced as 'ae'
Word contains consecutive vowels 'EA' in between alphabets tr & der is misspelled as 'AE'
Wrong Spelling:  tr-ae-der 
Correct Spelling:  tr-ea-der 
Explore spell check of Treader to spell without errors.

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