emit vs exhale

emit and exhale both are verbs.

Word	Noun	Adjective	Verb	Adverb
emit	No	No	Yes	No
exhale	No	No	Yes	No

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

Other hyponyms of emit include belch, bubble, burp, eruct, force out, emanate, give forth, radiate, bubble.

emit (verb)	exhale (verb)
expel (gases or odors)	expel air
express audibly; utter sounds (not necessarily words)	give out (breath or an odor)
give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.