As an adjective slape
is slippery; smooth.
As a noun slipe is
a sledge runner on which a skip is dragged in a mine.
slape
English
Adjective
(
en adjective)
(UK, dialect) slippery; smooth
(UK, dialect) crafty; hypocritical
slipe
English
Noun
(
en noun)
A sledge runner on which a skip is dragged in a mine.