exudation vs seepage

exudation and seepage both are nouns.

Word	Noun	Adjective	Verb	Adverb
exudation	Yes	No	No	No
seepage	Yes	No	No	No

As nouns, seepage is a hypernym of exudation; that is, seepage is a word with a broader meaning than exudation:

exudation: the process of exuding; the slow escape of liquids from blood vessels through pores or breaks in the cell membranes
seepage: the process of seeping

Other hypernyms of exudation include ooze, oozing.

exudation (noun)	seepage (noun)
the process of exuding; the slow escape of liquids from blood vessels through pores or breaks in the cell membranes	the process of seeping
a substance that oozes out from plant pores