effuse vs emit

effuse and emit both are verbs.

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

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

effuse: give out or emit (also metaphorically)
emit: give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.

Other hypernyms of effuse include give off, give out.

effuse (verb)	emit (verb)
give out or emit (also metaphorically)	expel (gases or odors)
flow or spill forth	express audibly; utter sounds (not necessarily words)
pour out liberally	give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.