Gasety or Gaseity: How To spell?

The word Gasety is misspelled against Gaseity, a noun meaning "State of being gaseous."

Word contains consecutive vowels 'EI' in between alphabets gas & ty is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  gas-e-ty 
Correct Spelling:  gas-ei-ty 
Explore spell check of Gaseity to spell without errors.