Semidiaphanety or Semidiaphaneity: How To spell?

The word Semidiaphanety is misspelled against Semidiaphaneity, a noun meaning "Half or imperfect transparency; translucency."

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