secretiveness vs silence

secretiveness and silence both are nouns.

Word	Noun	Adjective	Verb	Adverb
secretiveness	Yes	No	No	No
silence	Yes	No	Yes	No

As nouns, secretiveness and silence are synonyms defined as:

Other synonyms of secretiveness include secrecy.

secretiveness (noun)	silence (noun)
characterized by a lack of openness (especially about one's actions or purposes)	the absence of sound
the trait of keeping things secret	a refusal to speak when expected
	the trait of keeping things secret
	the state of being silent (as when no one is speaking)

secretiveness (verb)	silence (verb)
	cause to be quiet or not talk
	keep from expression, for example by threats or pressure