Archiasm or Archaism: How To spell?
The word Archiasm is misspelled against Archaism, meaning "Obsolescence."
Word contains consecutive vowels 'AI' in between alphabets arch & sm is misspelled as 'IA'Wrong Spelling:  arch-ia-sm  Correct Spelling:  arch-ai-sm 
Find more wrongly spelled words of Archaism to spell it well.