Slidery or Sliddery: How To spell?
The word Slidery is misspelled against Sliddery, a verb meaning "Slippery."
Sliddery has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Sli & ery which should not be misspelled with single 'D'
Wrong Spelling:  Sli-d-ery  Correct Spelling:  Sli-dd-ery 
Find more wrongly spelled words of Sliddery to spell it well.