percolate vs leach

percolate and leach both are nouns.

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

As verbs, percolate and leach are synonyms defined as:

percolate (noun)	leach (noun)
the product of percolation	the process of leaching

percolate (verb)	leach (verb)
gain or regain energy	remove substances from by a percolating liquid
pass through	permeate or penetrate gradually
cause (a solvent) to pass through a permeable substance in order to extract a soluble constituent	cause (a liquid) to leach or percolate
prepare in a percolator
permeate or penetrate gradually
spread gradually