trickle vs filter

trickle and filter both are nouns.

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

As verbs, trickle and filter are synonyms defined as:

trickle and filter: run or flow slowly, as in drops or in an unsteady stream

Other synonyms of trickle include dribble.

trickle (noun)	filter (noun)
flowing in drops; the formation and falling of drops of liquid	device that removes something from whatever passes through it
	an electrical device that alters the frequency spectrum of signals passing through it

trickle (verb)	filter (verb)
run or flow slowly, as in drops or in an unsteady stream	remove by passing through a filter
	pass through
	run or flow slowly, as in drops or in an unsteady stream