break into vs emit

break into and emit both are verbs.

Word	Noun	Adjective	Verb	Adverb
break into	No	No	Yes	No
emit	No	No	Yes	No

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

Other hypernyms of break into include let loose, let out, utter.

break into (verb)	emit (verb)
change pace	expel (gases or odors)
express or utter spontaneously	express audibly; utter sounds (not necessarily words)
	give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.