hip socket vs articulatio

hip socket and articulatio both are nouns.

Word	Noun	Adjective	Verb	Adverb
hip socket	Yes	No	No	No
articulatio	Yes	No	No	No

hip socket (noun)	articulatio (noun)
the socket part of the ball-and-socket joint between the head of the femur and the innominate bone	(anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)