The word Poter is misspelled against Potter, a noun meaning "One who hawks crockery or earthenware."
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Potter has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings po & er which should not be misspelled with single 'T'
Wrong Spelling:  po-t-er 
Correct Spelling:  po-tt-er 
Find more incorrect spellings of Potter to spell right way.