stamping mill vs manufactory

stamping mill and manufactory both are nouns.

Word	Noun	Adjective	Verb	Adverb
stamping mill	Yes	No	No	No
manufactory	Yes	No	No	No

As nouns, manufactory is a hypernym of stamping mill; that is, manufactory is a word with a broader meaning than stamping mill:

stamping mill: a mill in which ore is crushed with stamps
manufactory: a plant consisting of one or more buildings with facilities for manufacturing

Other hypernyms of stamping mill include factory, manufacturing plant, mill.

stamping mill (noun)	manufactory (noun)
a mill in which ore is crushed with stamps	a plant consisting of one or more buildings with facilities for manufacturing