Checkreun or Checkrein: How To spell?

The word Checkreun is misspelled against Checkrein, a noun meaning "A branch rein connecting the driving rein of one horse of a span or pair with the bit of the other horse."

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