Shreding or Shredding: How To spell?
The word Shreding is misspelled against Shredding, a noun meaning "That which is cut or torn off; a piece."
Shredding has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Shre & ing which should not be misspelled with single 'D'
Wrong Spelling:  Shre-d-ing  Correct Spelling:  Shre-dd-ing 
Find more wrongly spelled words of Shredding to spell it well.