Threden or Threaden: How To spell?

The word Threden is misspelled against Threaden, an adjective meaning "Made of thread; as, threaden sails; a threaden fillet."

Threaden has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets thr & den is misspelled as 'E'
Wrong Spelling:  thr-e-den 
Correct Spelling:  thr-ea-den 
Explore spell check of Threaden to spell without errors.

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