Landered or Laundered: How To spell?

The word Landered is misspelled against Laundered, which is past tense of "Launder"

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