dredge vs cookery

dredge and cookery both are nouns.

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

dredge (noun)	cookery (noun)
a power shovel to remove material from a channel or riverbed	the act of preparing something (as food) by the application of heat

dredge (verb)	cookery (verb)
remove with a power shovel, usually from a bottom of a body of water
search (as the bottom of a body of water) for something valuable or lost
cover before cooking