exudate vs emission

exudate and emission both are nouns.

Word	Noun	Adjective	Verb	Adverb
exudate	Yes	No	Yes	No
emission	Yes	No	No	No

As nouns, emission is a hypernym of exudate; that is, emission is a word with a broader meaning than exudate:

Other hypernyms of exudate include discharge.

exudate (noun)	emission (noun)
a substance that oozes out from plant pores	the act of emitting; causing to flow forth
	the occurrence of a flow of water (as from a pipe)
	the release of electrons from parent atoms
	any of several bodily processes by which substances go out of the body
	a substance that is emitted or released

exudate (verb)	emission (verb)
release (a liquid) in drops or small quantities