bench lathe vs lathe

bench lathe and lathe both are nouns.

Word	Noun	Adjective	Verb	Adverb
bench lathe	Yes	No	No	No
lathe	Yes	No	No	No

As nouns, lathe is a hypernym of bench lathe; that is, lathe is a word with a broader meaning than bench lathe:

bench lathe: lathe mounted on a workbench
lathe: machine tool for shaping metal or wood; the workpiece turns about a horizontal axis against a fixed tool

bench lathe (noun)	lathe (noun)
lathe mounted on a workbench	machine tool for shaping metal or wood; the workpiece turns about a horizontal axis against a fixed tool