miller vs shaping machine

miller and shaping machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
miller	Yes	No	No	No
shaping machine	Yes	No	No	No

As nouns, shaping machine is a hypernym of miller; that is, shaping machine is a word with a broader meaning than miller:

miller: machine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it
shaping machine: a machine tool for shaping metal or wood

Other hypernyms of miller include shaper.

miller (noun)	shaping machine (noun)
any of various moths that have powdery wings	a machine tool for shaping metal or wood
machine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it
someone who works in a mill (especially a grain mill)