slyness vs guile

slyness and guile both are nouns.

Word	Noun	Adjective	Verb	Adverb
slyness	Yes	No	No	No
guile	Yes	No	No	No

As nouns, slyness and guile are synonyms defined as:

slyness and guile: shrewdness as demonstrated by being skilled in deception

Other synonyms of slyness include craft, craftiness, cunning, foxiness, wiliness.

slyness (noun)	guile (noun)
shrewdness as demonstrated by being skilled in deception	the use of tricks to deceive someone (usually to extract money from them)
	the quality of being crafty
	shrewdness as demonstrated by being skilled in deception