furtiveness vs sneakiness

furtiveness and sneakiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
furtiveness	Yes	No	No	No
sneakiness	Yes	No	No	No

As nouns, furtiveness and sneakiness are synonyms defined as:

furtiveness and sneakiness: a disposition to be sly and stealthy and to do things surreptitiously

Other synonyms of furtiveness include stealthiness.

furtiveness (noun)	sneakiness (noun)
a disposition to be sly and stealthy and to do things surreptitiously	a disposition to be sly and stealthy and to do things surreptitiously