The word Beustly is misspelled against Beastly, an adjective meaning "Abominable; as, beastly weather."
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Beastly has vowels 'ea' together mispronounced as 'eu'
Word contains consecutive vowels 'EA' in between alphabets b & stly is misspelled as 'EU'
Wrong Spelling:  b-eu-stly 
Correct Spelling:  b-ea-stly 
Check more misspelled words of Beastly to spell it correct.