Thrayder or Threader: How To spell?

The word Thrayder is misspelled against Threader, a noun meaning "A device for assisting in threading a needle."

Threader has vowels 'ea' together mispronounced as 'ay'
Word contains consecutive vowels 'EA' in between alphabets thr & der is misspelled as 'AY'
Wrong Spelling:  thr-ay-der 
Correct Spelling:  thr-ea-der 
Explore spell check of Threader to spell without errors.

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