cannery vs manufacturing plant

cannery and manufacturing plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
cannery	Yes	No	No	No
manufacturing plant	Yes	No	No	No

As nouns, manufacturing plant is a hypernym of cannery; that is, manufacturing plant is a word with a broader meaning than cannery:

cannery: a factory where food is canned
manufacturing plant: a plant consisting of one or more buildings with facilities for manufacturing

Other hypernyms of cannery include factory, manufactory, mill.

cannery (noun)	manufacturing plant (noun)
a factory where food is canned	a plant consisting of one or more buildings with facilities for manufacturing