Studing or Studding: How To spell?
The word Studing is misspelled against Studding, a noun meaning "Material for studs, or joists; studs, or joists, collectively; studs."
Studding has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Stu & ing which should not be misspelled with single 'D'
Wrong Spelling:  Stu-d-ing  Correct Spelling:  Stu-dd-ing 
Check more misspelled words of Studding to spell it correct.