eat vs wash down

eat and wash down both are verbs.

Word	Noun	Adjective	Verb	Adverb
eat	No	No	Yes	No
wash down	No	No	Yes	No

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

eat (verb)	wash down (verb)
cause to deteriorate due to the action of water, air, or an acid	flow freely
take in solid food	eat food accompanied by lots of liquid; also use metaphorically
eat a meal; take a meal
take in food; used of animals only
use up (resources or materials)
worry or cause anxiety in a persistent way