Astiesm or Asteism: How To spell?

The word Astiesm is misspelled against Asteism, a noun meaning "Genteel irony; a polite and ingenious manner of deriding another."

Word contains consecutive vowels 'EI' in between alphabets ast & sm is misspelled as 'IE'
Wrong Spelling:  ast-ie-sm 
Correct Spelling:  ast-ei-sm 
Find more wrongly spelled words of Asteism to spell it well.