refresh vs wash up

refresh and wash up both are verbs.

Word	Noun	Adjective	Verb	Adverb
refresh	No	No	Yes	No
wash up	No	No	Yes	No

As verbs, wash up is a hyponym of refresh; that is, wash up is a word with a more specific, narrower meaning than refresh:

Other hyponyms of refresh include lave.

refresh (verb)	wash up (verb)
make fresh again	wash one's face and hands
become or make oneself fresh again	wear out completely
make (to feel) fresh	be carried somewhere by water or as if by water
refresh one's memory	wash dishes
	carry somewhere (of water or current or waves)