hip joint vs articulatio coxae

hip joint and articulatio coxae both are nouns.

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

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

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

Other synonyms of hip joint include coxa, hip.

hip joint (noun)	articulatio coxae (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