percolation vs cookery

percolation and cookery both are nouns.

Word	Noun	Adjective	Verb	Adverb
percolation	Yes	No	No	No
cookery	Yes	No	No	No

As nouns, cookery is a hypernym of percolation; that is, cookery is a word with a broader meaning than percolation:

percolation: the act of making coffee in a percolator
cookery: the act of preparing something (as food) by the application of heat

Other hypernyms of percolation include cooking, preparation.

percolation (noun)	cookery (noun)
the act of making coffee in a percolator	the act of preparing something (as food) by the application of heat
the filtration of a liquid for extraction or purification
the slow passage of a liquid through a filtering medium