filter vs permeate

filter is a noun but permeate is not a noun.

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

As verbs, filter and permeate are synonyms defined as:

Other synonyms of filter include percolate, sink in.

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

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