gum vs exudate

gum and exudate both are nouns.

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

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

gum: any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
exudate: a substance that oozes out from plant pores

Other hypernyms of gum include exudation.

As verbs, exudate is a hypernym of gum; that is, exudate is a word with a broader meaning than gum:

Other hypernyms of gum include exude, ooze, ooze out, transude.

gum (noun)	exudate (noun)
the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth	a substance that oozes out from plant pores
a preparation (usually made of sweetened chicle) for chewing
any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum
wood or lumber from any of various gum trees especially the sweet gum
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
cement consisting of a sticky substance that is used as an adhesive

gum (verb)	exudate (verb)
exude or form gum	release (a liquid) in drops or small quantities
become sticky
grind with the gums; chew without teeth and with great difficulty
cover, fill, fix or smear with or as if with gum