Solleun or Sollein: How To spell?

The word Solleun is misspelled against Sollein, an adjective meaning "Sullen; sad."

Word contains consecutive vowels 'EI' in between alphabets soll & n is misspelled as 'EU'
Wrong Spelling:  soll-eu-n 
Correct Spelling:  soll-ei-n 
Check more misspelled words of Sollein to spell it correct.