The word Hastella is misspelled against Haustella, which is plural of "Haustellum"
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Word contains consecutive vowels 'AU' in between alphabets h & stella is misspelled as 'A' as letter 'U' is phonetically ignore
Wrong Spelling:  h-a-stella 
Correct Spelling:  h-au-stella 
Explore spell check of Haustella to spell without errors.