RichThesaurus
cattish
vs
sly as a fox
cattish
adj
sly and spiteful; marked by malice
catlike; in the manner of a cat
stealthy
sly as a fox
adj
Very sly, very cunning.
How often have the words
cattish
and
sly as a fox
occurred in a corpus of books?
(source:
Google Ngram Viewer
)