35 entries under separate topic. ×

20
purify(verb, activity, clear, free)
19
permeate
18
sieve(noun, verb, activity, strain)
17
screen(noun, verb, examine, drain)
16
percolate(verb, drop, discharge, strain)
16
strain(noun, verb, activity, drop)
13
sift(verb, activity, remove, drain)
13
drain(verb, drop, discharge, strain)
13
refine(verb, activity, clear, clean)
11
filtrate(verb, activity, cleanness, egress)
11
clean(verb, clear, clean, drain)
11
dribble(verb, drop, drain, leak)
11
trickle(verb, drop, leak, drip)
10
clarify(verb, clear, clean, cleanse)
10
riddle(noun, verb, drain, select)
9
ooze(verb, drop, leak, emit)
7
distill(verb, drop, cleanse, refine)
7
winnow(verb, drain, select, vet)
6
colander(noun, verb, drain, comb)
6
exude(verb, drop, discharge, drain)
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APASmart Define. (2015). filter thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/filter/thesaurus/synonyms
ChicagoSmart Define. 2015. "filter thesaurus" https://smartdefine.org/filter/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, filter thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/filter/thesaurus/synonyms>.
MLASmart Define. "filter thesaurus" 9 October 2015. Web. 20 September 2026. <https://smartdefine.org/filter/thesaurus/synonyms>