wash vs hush

wash and hush both are nouns.

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

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

Other hyponyms of wash include sponge down, scrub, scrub up, gargle, rinse, shampoo, wash.

As verbs, wash and hush are synonyms defined as:

wash (noun)	hush (noun)
any enterprise in which losses and gains cancel out	(poetic) tranquil silence
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)	hush (verb)
cleanse (one's body) with soap and water	become quiet or still; fall silent
to cleanse (itself or another animal) by licking	cause to be quiet or not talk
remove by the application of water or other liquid and soap or some other cleaning agent	run water over the ground to erode (soil), revealing the underlying strata and valuable minerals
make moist	wash by removing particles
wash or flow against	become quiet or quieter
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