enarthrodial joint vs spheroid joint

enarthrodial joint and spheroid joint both are nouns.

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

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

enarthrodial joint and spheroid joint: 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 enarthrodial joint include articulatio spheroidea, ball-and-socket joint, cotyloid joint, enarthrosis.

enarthrodial joint (noun)	spheroid joint (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