The word Plateuus is misspelled against Plateaus, which is plural of "Plateau"
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Plateaus has vowels 'ea' together mispronounced as 'eu'
Word contains consecutive vowels 'EA' in between alphabets plat & us is misspelled as 'EU'
Wrong Spelling:  plat-eu-us 
Correct Spelling:  plat-ea-us 
Check more misspelled words of Plateaus to spell it correct.