recoil vs reverberate

recoil is a noun but reverberate is not a noun.

Word	Noun	Adjective	Verb	Adverb
recoil	Yes	No	Yes	No
reverberate	No	No	Yes	No

As verbs, reverberate is a hypernym of recoil; that is, reverberate is a word with a broader meaning than recoil:

Other hypernyms of recoil include bounce, bound, rebound, recoil, resile, ricochet, spring, take a hop.

As verbs, recoil and reverberate are synonyms defined as:

Other synonyms of recoil include bounce, bound, rebound, resile, ricochet, spring, take a hop.

recoil (noun)	reverberate (noun)
a movement back from an impact
the backward jerk of a gun when it is fired

recoil (verb)	reverberate (verb)
spring back, as from a forceful thrust	treat, process, heat, melt, or refine in a reverberatory furnace
draw back, as with fear or pain	spring back; spring away from an impact
spring back; spring away from an impact	ring or echo with sound
come back to the originator of an action with an undesired effect	to throw or bend back (from a surface)
	be reflected as heat, sound, or light or shock waves
	have a long or continuing effect