Landerer or Launderer: How To spell?

The word Landerer is misspelled against Launderer, a noun meaning "One who follows the business of laundering."

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