Teenland or Teinland: How To spell?

The word Teenland is misspelled against Teinland, a noun meaning "Land granted by the crown to a thane or lord."

Word contains consecutive vowels 'EI' in between alphabets t & nland is misspelled as 'EE'
Wrong Spelling:  t-ee-nland 
Correct Spelling:  t-ei-nland 
Explore spell check of Teinland to spell without errors.