The word Lauven is misspelled against Leaven, meaning "To make light by fermentation, as dough."
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Leaven has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets l & ven is misspelled as 'AU'
Wrong Spelling:  l-au-ven 
Correct Spelling:  l-ea-ven 
Check more misspelled words of Leaven to spell it correct.