silence vs lull

silence and lull both are nouns.

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

As verbs, lull is a hyponym of silence; that is, lull is a word with a more specific, narrower meaning than silence:

Other hyponyms of silence include shush, calm down, shout down, gag, muzzle.

silence (noun)	lull (noun)
the absence of sound	a period of calm weather
a refusal to speak when expected	a pause during which things are calm or activities are diminished
the trait of keeping things secret
the state of being silent (as when no one is speaking)

silence (verb)	lull (verb)
cause to be quiet or not talk	become quiet or less intensive
keep from expression, for example by threats or pressure	make calm or still
	calm by deception