articulatio cubiti vs cubitus

articulatio cubiti and cubitus both are nouns.

Word	Noun	Adjective	Verb	Adverb
articulatio cubiti	Yes	No	No	No
cubitus	Yes	No	No	No

As nouns, articulatio cubiti and cubitus are synonyms defined as:

articulatio cubiti and cubitus: hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped

Other synonyms of articulatio cubiti include cubital joint, elbow, elbow joint, human elbow.

articulatio cubiti (noun)	cubitus (noun)
hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped	hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped
	the arm from the elbow to the fingertips