percolation vs infiltration

percolation and infiltration both are nouns.

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

As nouns, percolation and infiltration are synonyms defined as:

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

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