wash vs wash up

wash is a noun but wash up is not a noun.

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

wash (noun)	wash up (noun)
any enterprise in which losses and gains cancel out
the work of cleansing (usually with soap and water)
garments or white goods that can be cleaned by laundering
a watercolor made by applying a series of monochrome washes one over the other
a thin coat of water-base paint
the dry bed of an intermittent stream (as at the bottom of a canyon)
the flow of air that is driven backwards by an aircraft propeller
the erosive process of washing away soil or gravel by water (as from a roadway)

wash (verb)	wash up (verb)
cleanse (one's body) with soap and water	wash one's face and hands
to cleanse (itself or another animal) by licking	wear out completely
remove by the application of water or other liquid and soap or some other cleaning agent	be carried somewhere by water or as if by water
make moist	wash dishes
wash or flow against	carry somewhere (of water or current or waves)
form by erosion
wash by removing particles
cleanse with a cleaning agent, such as soap, and water
separate dirt or gravel from (precious minerals)
clean with some chemical process
apply a thin coating of paint, metal, etc., to
move by or as if by water
be capable of being washed
admit to testing or proof