Instantaneyty or Instantaneity: How To spell?

The word Instantaneyty is misspelled against Instantaneity, a noun meaning "Quality of being instantaneous."

Word contains consecutive vowels 'EI' in between alphabets instantan & ty is misspelled as 'EY'
Wrong Spelling:  instantan-ey-ty 
Correct Spelling:  instantan-ei-ty 
Explore spell check of Instantaneity to spell without errors.