The word Yaper is misspelled against Yauper, a noun meaning "One who, or that which, yaups."
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Word contains consecutive vowels 'AU' in between alphabets y & per is misspelled as 'A' as letter 'U' is phonetically ignored
Wrong Spelling:  y-a-per 
Correct Spelling:  y-au-per 
Explore spell check of Yauper to spell without errors.