wash up vs do the dishes

wash up and do the dishes both are verbs.

Word	Noun	Adjective	Verb	Adverb
wash up	No	No	Yes	No
do the dishes	No	No	Yes	No

As verbs, wash up and do the dishes are synonyms defined as:

wash up (verb)	do the dishes (verb)
wash one's face and hands	wash dishes
wear out completely
be carried somewhere by water or as if by water
wash dishes
carry somewhere (of water or current or waves)