craftily vs slyly

craftily and slyly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
craftily	No	No	No	Yes
slyly	No	No	No	Yes

As adverbs, craftily and slyly are synonyms defined as:

Other synonyms of craftily include artfully, cunningly, foxily, knavishly, trickily.

craftily (adverb)	slyly (adverb)
in an subtle, cunning manner	in an subtle, cunning manner