Haeccity or Haecceity: How To spell?

The word Haeccity is misspelled against Haecceity, a noun meaning "Literally, this-ness. A scholastic term to express individuality or singleness; as, this book."

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