Cohaership or Coheirship: How To spell?

The word Cohaership is misspelled against Coheirship, a noun meaning "The state of being a coheir."

Word contains consecutive vowels 'EI' in between alphabets coh & rship is misspelled as 'AE'
Wrong Spelling:  coh-ae-rship 
Correct Spelling:  coh-ei-rship 
Find more incorrect spellings of Coheirship to spell right way.