The word Druber is misspelled against Drubber, a noun meaning "One who drubs."
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Drubber has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Dru & er which should not be misspelled with single 'B'
Wrong Spelling:  Dru-b-er 
Correct Spelling:  Dru-bb-er 
Check more misspelled words of Drubber to spell it correct.