infiltration vs percolation

infiltration and percolation both are nouns.

Word	Noun	Adjective	Verb	Adverb
infiltration	Yes	No	No	No
percolation	Yes	No	No	No

As nouns, infiltration and percolation are synonyms defined as:

infiltration and percolation: the slow passage of a liquid through a filtering medium

infiltration (noun)	percolation (noun)
a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)	the act of making coffee in a percolator
the slow passage of a liquid through a filtering medium	the filtration of a liquid for extraction or purification
	the slow passage of a liquid through a filtering medium