Cohair or Coheir: How To spell?

The word Cohair is misspelled against Coheir, a noun meaning "A joint heir; one of two or more heirs; one of several entitled to an inheritance."

Word contains consecutive vowels 'EI' in between alphabets coh & r is misspelled as 'AI'
Wrong Spelling:  coh-ai-r 
Correct Spelling:  coh-ei-r 
Find more incorrect spellings of Coheir to spell right way.