dredging bucket vs dredge

dredging bucket and dredge both are nouns.

Word	Noun	Adjective	Verb	Adverb
dredging bucket	Yes	No	No	No
dredge	Yes	No	Yes	No

dredging bucket (noun)	dredge (noun)
a bucket for lifting material from a channel or riverbed	a power shovel to remove material from a channel or riverbed

dredging bucket (verb)	dredge (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