give off vs emit

give off and emit both are verbs.

Word	Noun	Adjective	Verb	Adverb
give off	No	No	Yes	No
emit	No	No	Yes	No

As verbs, give off and emit are synonyms defined as:

give off and emit: give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.

Other synonyms of give off include give out.

give off (verb)	emit (verb)
have as a by-product	expel (gases or odors)
give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.	express audibly; utter sounds (not necessarily words)
	give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.