articulatio synovialis vs synovial joint

articulatio synovialis and synovial joint both are nouns.

Word	Noun	Adjective	Verb	Adverb
articulatio synovialis	Yes	No	No	No
synovial joint	Yes	No	No	No

As nouns, articulatio synovialis and synovial joint are synonyms defined as:

articulatio synovialis and synovial joint: a joint so articulated as to move freely

Other synonyms of articulatio synovialis include diarthrosis.

articulatio synovialis (noun)	synovial joint (noun)
a joint so articulated as to move freely	a joint so articulated as to move freely