RichThesaurus
slippy
vs
unruffled
slippy
adj
Slippery.
unruffled
adj
Not ruffled or tousled.
Calm, not ruffled, serene, at peace, unbothered.
How often have the words
slippy
and
unruffled
occurred in a corpus of books?
(source:
Google Ngram Viewer
)