pipe cleaner vs cleaning device

pipe cleaner and cleaning device both are nouns.

Word	Noun	Adjective	Verb	Adverb
pipe cleaner	Yes	No	No	No
cleaning device	Yes	No	No	No

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

pipe cleaner: cleaning implement consisting of a flexible tufted wire that is used to clean a pipe stem
cleaning device: any of a large class of implements used for cleaning

Other hypernyms of pipe cleaner include cleaning equipment, cleaning implement.

pipe cleaner (noun)	cleaning device (noun)
cleaning implement consisting of a flexible tufted wire that is used to clean a pipe stem	any of a large class of implements used for cleaning