Marsiellaise or Marseillaise: How To spell?

The word Marsiellaise is misspelled against Marseillaise, a noun meaning "A native or inhabitant of Marseilles."

Word contains consecutive vowels 'EI' in between alphabets mars & llaise is misspelled as 'IE'
Wrong Spelling:  mars-ie-llaise 
Correct Spelling:  mars-ei-llaise 
Find more wrongly spelled words of Marseillaise to spell it well.