articulatio synovialis vs diarthrosis

articulatio synovialis and diarthrosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
articulatio synovialis	Yes	No	No	No
diarthrosis	Yes	No	No	No

As nouns, articulatio synovialis and diarthrosis are synonyms defined as:

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

Other synonyms of articulatio synovialis include synovial joint.

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