wash vs whitewash

wash and whitewash both are nouns.

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

As nouns, whitewash is a hyponym of wash; that is, whitewash is a word with a more specific, narrower meaning than wash:

wash: a thin coat of water-base paint
whitewash: wash consisting of lime and size in water; used for whitening walls and other surfaces

Other hyponyms of wash include blackwash, color wash, colour wash.

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

wash (noun)	whitewash (noun)
any enterprise in which losses and gains cancel out	a specious or deceptive clearing that attempts to gloss over failings and defects
the work of cleansing (usually with soap and water)	wash consisting of lime and size in water; used for whitening walls and other surfaces
garments or white goods that can be cleaned by laundering	a defeat in which the losing person or team fails to score
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)	whitewash (verb)
cleanse (one's body) with soap and water	exonerate by means of a perfunctory investigation or through biased presentation of data
to cleanse (itself or another animal) by licking	cover with whitewash
remove by the application of water or other liquid and soap or some other cleaning agent	cover up a misdemeanor, fault, or error
make moist
wash or flow against
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