The word Bobing is misspelled against Bobbing, which is present continuous of "Bob"
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Bobbing has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Bo & ing which should not be misspelled with single 'B'
Wrong Spelling: Bo-b-ing
Correct Spelling: Bo-bb-ing
Find more incorrect spellings of Bobbing to spell right way.