Semidiaphaneaty or Semidiaphaneity: How To spell?
The word Semidiaphaneaty 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 'EA'Wrong Spelling:  semidiaphan-ea-ty  Correct Spelling:  semidiaphan-ei-ty 
Find more wrongly spelled words of Semidiaphaneity to spell it well.