set upon vs beset

set upon and beset both are verbs.

Word	Noun	Adjective	Verb	Adverb
set upon	No	No	Yes	No
beset	No	No	Yes	No

As verbs, set upon and beset are synonyms defined as:

set upon (verb)	beset (verb)
assail or attack on all sides:	assail or attack on all sides:
	decorate or cover lavishly (as with gems)
	annoy continually or chronically