Glidery or Gliddery: How To spell?
The word Glidery is misspelled against Gliddery, an adjective meaning "Giving no sure footing; smooth; slippery."
Gliddery has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Gli & ery which should not be misspelled with single 'D'
Wrong Spelling:  Gli-d-ery  Correct Spelling:  Gli-dd-ery 
Find more wrongly spelled words of Gliddery to spell it well.