percolate vs infiltrate

percolate is a noun but infiltrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
percolate	Yes	No	Yes	No
infiltrate	No	No	Yes	No

As verbs, infiltrate is a hyponym of percolate; that is, infiltrate is a word with a more specific, narrower meaning than percolate:

percolate (noun)	infiltrate (noun)
the product of percolation

percolate (verb)	infiltrate (verb)
gain or regain energy	pass through an enemy line; in a military conflict
pass through	cause (a liquid) to enter by penetrating the interstices
cause (a solvent) to pass through a permeable substance in order to extract a soluble constituent	pass into or through by filtering or permeating
prepare in a percolator	enter a group or organization in order to spy on the members
permeate or penetrate gradually
spread gradually