cleaning device vs implement

cleaning device and implement both are nouns.

Word	Noun	Adjective	Verb	Adverb
cleaning device	Yes	No	No	No
implement	Yes	No	Yes	No

As nouns, implement is a hypernym of cleaning device; that is, implement is a word with a broader meaning than cleaning device:

cleaning device: any of a large class of implements used for cleaning
implement: instrumentation (a piece of equipment or tool) used to effect an end

cleaning device (noun)	implement (noun)
any of a large class of implements used for cleaning	instrumentation (a piece of equipment or tool) used to effect an end

cleaning device (verb)	implement (verb)
	pursue to a conclusion or bring to a successful issue
	ensure observance of laws and rules
	apply in a manner consistent with its purpose or design