ankle joint vs articulatio talocruralis

ankle joint and articulatio talocruralis both are nouns.

Word	Noun	Adjective	Verb	Adverb
ankle joint	Yes	No	No	No
articulatio talocruralis	Yes	No	No	No

As nouns, ankle joint and articulatio talocruralis are synonyms defined as:

ankle joint and articulatio talocruralis: a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus

Other synonyms of ankle joint include ankle, mortise joint.

ankle joint (noun)	articulatio talocruralis (noun)
a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus	a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus