Traolism or Traulism: How To spell?

The word Traolism is misspelled against Traulism, a noun meaning "A stammering or stuttering."

Word contains consecutive vowels 'AU' in between alphabets tr & lism is misspelled as 'AO'
Wrong Spelling:  tr-ao-lism 
Correct Spelling:  tr-au-lism 
Find more incorrect spellings of Traulism to spell right way.

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