spicemill vs milling machinery

spicemill and milling machinery both are nouns.

Word	Noun	Adjective	Verb	Adverb
spicemill	Yes	No	No	No
milling machinery	Yes	No	No	No

As nouns, milling machinery is a hypernym of spicemill; that is, milling machinery is a word with a broader meaning than spicemill:

spicemill: a mill for grinding spices
milling machinery: machinery that processes materials by grinding or crushing

Other hypernyms of spicemill include grinder, mill.

spicemill (noun)	milling machinery (noun)
a mill for grinding spices	machinery that processes materials by grinding or crushing