permeate vs filter

permeate is not a noun while filter is a noun.

Word	Noun	Adjective	Verb	Adverb
permeate	No	No	Yes	No
filter	Yes	No	Yes	No

As verbs, permeate and filter are synonyms defined as:

Other synonyms of permeate include percolate, sink in.

permeate (noun)	filter (noun)
	device that removes something from whatever passes through it
	an electrical device that alters the frequency spectrum of signals passing through it

permeate (verb)	filter (verb)
pass through	remove by passing through a filter
spread or diffuse through	pass through
penetrate mutually or be interlocked	run or flow slowly, as in drops or in an unsteady stream