Slipery or Slippery: How To spell?
The word Slipery is misspelled against Slippery, an adjective meaning "Having the quality opposite to adhesiveness; allowing or causing anything to slip or move smoothly, rapidly, and easily upon the surface; smooth; glib; as, oily substances render things slippery."
Slippery has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings sli & ery which should not be misspelled with single 'P'
Wrong Spelling:  sli-p-ery  Correct Spelling:  sli-pp-ery 
Find more wrongly spelled words of Slippery to spell it well.