wrist vs wrist joint

wrist and wrist joint both are nouns.

Word	Noun	Adjective	Verb	Adverb
wrist	Yes	No	No	No
wrist joint	Yes	No	No	No

As nouns, wrist and wrist joint are synonyms defined as:

wrist and wrist joint: a joint between the distal end of the radius and the proximal row of carpal bones

Other synonyms of wrist include articulatio radiocarpea, carpus, radiocarpal joint.

wrist (noun)	wrist joint (noun)
a joint between the distal end of the radius and the proximal row of carpal bones	a joint between the distal end of the radius and the proximal row of carpal bones