infiltration vs filtration

infiltration and filtration both are nouns.

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

As nouns, filtration is a hypernym of infiltration; that is, filtration is a word with a broader meaning than infiltration:

infiltration: the slow passage of a liquid through a filtering medium
filtration: the process whereby fluids pass through a filter or a filtering medium

infiltration (noun)	filtration (noun)
a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)	the act of changing a fluid by passing it through a filter
the slow passage of a liquid through a filtering medium	the process whereby fluids pass through a filter or a filtering medium