wrist vs radiocarpal joint

wrist and radiocarpal joint both are nouns.

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

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

wrist and radiocarpal 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, wrist joint.

wrist (noun)	radiocarpal 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