Maris or Mareis: How To spell?

The word Maris is misspelled against Mareis, a noun meaning "A Marsh."

Word contains consecutive vowels 'EI' in between alphabets mar & s is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  mar-i-s 
Correct Spelling:  mar-ei-s 
Find more wrongly spelled words of Mareis to spell it well.