wash out vs wash

wash out is not a noun while wash is a noun.

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

As verbs, wash out and wash are synonyms defined as:

wash out and wash: remove by the application of water or other liquid and soap or some other cleaning agent

Other synonyms of wash out include wash away, wash off.

As verbs, wash is a hypernym of wash out; that is, wash is a word with a broader meaning than wash out:

Other hypernyms of wash out include launder.

wash out (noun)	wash (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 out (verb)	wash (verb)
deplete of strength or vitality	cleanse (one's body) with soap and water
lose color in the process of being washed	to cleanse (itself or another animal) by licking
drain off the color in the course of laundering	remove by the application of water or other liquid and soap or some other cleaning agent
remove by the application of water or other liquid and soap or some other cleaning agent	make moist
wear or destroy by the force of water	wash or flow against
wash free from unwanted substances, such as dirt	form by erosion
prevent or interrupt due to rain	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