wipe out vs sweep away

wipe out and sweep away both are verbs.

Word	Noun	Adjective	Verb	Adverb
wipe out	No	No	Yes	No
sweep away	No	No	Yes	No

As verbs, wipe out and sweep away are synonyms defined as:

wipe out (verb)	sweep away (verb)
kill in large numbers	eliminate completely and without a trace
mark for deletion, rub off, or erase	overwhelm emotionally
remove from memory or existence
wipe out the effect of something
use up (resources or materials)
eliminate completely and without a trace