trumpet vs emit

trumpet is a noun but emit is not a noun.

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

As verbs, emit is a hypernym of trumpet; that is, emit is a word with a broader meaning than trumpet:

Other hypernyms of trumpet include let loose, let out, utter.

trumpet (noun)	emit (noun)
a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves

trumpet (verb)	emit (verb)
proclaim on, or as if on, a trumpet	expel (gases or odors)
utter in trumpet-like sounds	express audibly; utter sounds (not necessarily words)
play or blow on the trumpet	give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.