Stubiness or Stubbiness: How To spell?
The word Stubiness is misspelled against Stubbiness, a noun meaning "The state of being stubby."
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.