Stuborn or Stubborn: How To spell?
The word Stuborn is misspelled against Stubborn, an adjective meaning "Firm as a stub or stump; stiff; unbending; unyielding; persistent; hence, unreasonably obstinate in will or opinion; not yielding to reason or persuasion; refractory; harsh; -- said of persons and things; as, stubborn wills; stubborn ore; a stubborn oak; as stubborn as a mule."
Stubborn has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Stu & orn which should not be misspelled with single 'B'
Wrong Spelling:  Stu-b-orn  Correct Spelling:  Stu-bb-orn 
Check more misspelled words of Stubborn to spell it correct.