Haeceity or Haecceity: How To spell?
The word Haeceity is misspelled against Haecceity, a noun meaning "Literally, this-ness. A scholastic term to express individuality or singleness; as, this book."
Haecceity has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Hae & eity which should not be misspelled with single 'C'
Wrong Spelling:  Hae-c-eity  Correct Spelling:  Hae-cc-eity 
Find more wrongly spelled words of Haecceity to spell it well.