reverberation vs upshot

reverberation and upshot both are nouns.

Word	Noun	Adjective	Verb	Adverb
reverberation	Yes	No	No	No
upshot	Yes	No	No	No

As nouns, upshot is a hypernym of reverberation; that is, upshot is a word with a broader meaning than reverberation:

Other hypernyms of reverberation include consequence, effect, event, issue, outcome, result.

reverberation (noun)	upshot (noun)
the repetition of a sound resulting from reflection of the sound waves	a phenomenon that follows and is caused by some previous phenomenon
a remote or indirect consequence of some action