eat vs burn off

eat and burn off both are verbs.

Word	Noun	Adjective	Verb	Adverb
eat	No	No	Yes	No
burn off	No	No	Yes	No

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

eat (verb)	burn off (verb)
cause to deteriorate due to the action of water, air, or an acid	clear land of its vegetation by burning it off
take in solid food	use up (energy)
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