ginglymus vs hinge joint

ginglymus and hinge joint both are nouns.

Word	Noun	Adjective	Verb	Adverb
ginglymus	Yes	No	No	No
hinge joint	Yes	No	No	No

As nouns, ginglymus and hinge joint are synonyms defined as:

ginglymus and hinge joint: a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane

Other synonyms of ginglymus include ginglymoid joint.

ginglymus (noun)	hinge joint (noun)
a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane	a joint allowing movement in one plane only
	a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane