Naseant or Nauseant: How To spell?

The word Naseant is misspelled against Nauseant, a noun meaning "A substance which produces nausea."

Word contains consecutive vowels 'AU' in between alphabets n & seant is misspelled as 'A' as letter 'U' is phonetically ignored
Wrong Spelling:  n-a-seant 
Correct Spelling:  n-au-seant 
Explore spell check of Nauseant to spell without errors.

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