RichThesaurus
roguish
vs
sly as a fox
roguish
adj
Mischievous and playful.
Unprincipled or unscrupulous.
sly as a fox
adj
Very sly, very cunning.
How often have the words
roguish
and
sly as a fox
occurred in a corpus of books?
(source:
Google Ngram Viewer
)