Sisyphan or Sisyphean: How To spell?

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

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

You might be interested to know

Sprader or Spreader?

Staric or Stearic?

Superhated or Superheated?