woodworker vs joiner

woodworker and joiner both are nouns.

Word	Noun	Adjective	Verb	Adverb
woodworker	Yes	No	No	No
joiner	Yes	No	No	No

As nouns, joiner is a hyponym of woodworker; that is, joiner is a word with a more specific, narrower meaning than woodworker:

woodworker: makes things out of wood
joiner: a woodworker whose work involves making things by joining pieces of wood

Other hyponyms of woodworker include cabinetmaker, furniture maker, carpenter, splicer, carver, woodcarver.

woodworker (noun)	joiner (noun)
makes things out of wood	a woodworker whose work involves making things by joining pieces of wood
	a person who likes to join groups