articulatio coxae vs hip joint

articulatio coxae and hip joint both are nouns.

Word	Noun	Adjective	Verb	Adverb
articulatio coxae	Yes	No	No	No
hip joint	Yes	No	No	No

As nouns, articulatio coxae and hip joint are synonyms defined as:

articulatio coxae and hip joint: the ball-and-socket joint between the head of the femur and the acetabulum

Other synonyms of articulatio coxae include coxa, hip.

articulatio coxae (noun)	hip joint (noun)
the ball-and-socket joint between the head of the femur and the acetabulum	the ball-and-socket joint between the head of the femur and the acetabulum