Applaader or Applauder: How To spell?

The word Applaader is misspelled against Applauder, a noun meaning "One who applauds."

Word contains consecutive vowels 'AU' in between alphabets appl & der is misspelled as 'AA'
Wrong Spelling:  appl-aa-der 
Correct Spelling:  appl-au-der 
Explore spell check of Applauder to spell without errors.

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