leach vs filter

leach and filter both are nouns.

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

As verbs, filter is a hypernym of leach; that is, filter is a word with a broader meaning than leach:

Other hypernyms of leach include dribble, trickle.

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

leach (verb)	filter (verb)
remove substances from by a percolating liquid	remove by passing through a filter
permeate or penetrate gradually	pass through
cause (a liquid) to leach or percolate	run or flow slowly, as in drops or in an unsteady stream