The word Rubing is misspelled against Rubbing, an adjective meaning "from Rub, v."
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Rubbing has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Ru & ing which should not be misspelled with single 'B'
Wrong Spelling: Ru-b-ing
Correct Spelling: Ru-bb-ing
Check more misspelled words of Rubbing to spell it correct.