Sisyphen or Sisyphean: How To spell?

The word Sisyphen is misspelled against Sisyphean, an adjective meaning "Relating to Sisyphus; incessantly recurring; as, Sisyphean labors."

Sisyphean has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets sisyph & n is misspelled as 'E'
Wrong Spelling:  sisyph-e-n 
Correct Spelling:  sisyph-ea-n 
Find more wrongly spelled words of Sisyphean to spell it well.

You might be interested to know

Spreder or Spreader?

Steric or Stearic?

Superheted or Superheated?