sap vs eat

sap is a noun but eat is not a noun.

Word	Noun	Adjective	Verb	Adverb
sap	Yes	No	Yes	No
eat	No	No	Yes	No

As verbs, eat is a hypernym of sap; that is, eat is a word with a broader meaning than sap:

Other hypernyms of sap include consume, deplete, eat up, exhaust, expend, run through, use, use up, wipe out.

sap (noun)	eat (noun)
a piece of metal covered by leather with a flexible handle; used for hitting people
a person who lacks good judgment
a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant

sap (verb)	eat (verb)
excavate the earth beneath	cause to deteriorate due to the action of water, air, or an acid
deplete	take in solid food
	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