silence vs secretiveness

silence and secretiveness both are nouns.

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

As nouns, silence and secretiveness are synonyms defined as:

Other synonyms of silence include secrecy.

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

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