spheroid joint vs enarthrosis

spheroid joint and enarthrosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
spheroid joint	Yes	No	No	No
enarthrosis	Yes	No	No	No

As nouns, spheroid joint and enarthrosis are synonyms defined as:

spheroid joint and enarthrosis: a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone

Other synonyms of spheroid joint include articulatio spheroidea, ball-and-socket joint, cotyloid joint, enarthrodial joint.

spheroid joint (noun)	enarthrosis (noun)
a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone	a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone