The word Arboraul is misspelled against Arboreal, meaning "of connected with trees"
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Arboreal has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets arbor & l is misspelled as 'AU'
Wrong Spelling:  arbor-au-l 
Correct Spelling:  arbor-ea-l 
Check more misspelled words of Arboreal to spell it correct.