The word Stubiness is misspelled against Stubbiness, a noun meaning "The state of being stubby."
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Stubbiness has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Stu & iness which should not be misspelled with single 'B'
Wrong Spelling:  Stu-b-iness 
Correct Spelling:  Stu-bb-iness 
Check more misspelled words of Stubbiness to spell it correct.