The word Sliperness is misspelled against Slipperness, a noun meaning "Slipperiness."
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Slipperness has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings sli & erness which should not be misspelled with single 'P'
Wrong Spelling: sli-p-erness
Correct Spelling: sli-pp-erness
Find more wrongly spelled words of Slipperness to spell it well.