anklebone vs talus

anklebone and talus both are nouns.

Word	Noun	Adjective	Verb	Adverb
anklebone	Yes	No	No	No
talus	Yes	No	No	No

As nouns, anklebone and talus are synonyms defined as:

anklebone and talus: the bone in the ankle that articulates with the leg bones to form the ankle joint

Other synonyms of anklebone include astragal, astragalus.

anklebone (noun)	talus (noun)
the bone in the ankle that articulates with the leg bones to form the ankle joint	the bone in the ankle that articulates with the leg bones to form the ankle joint
	a sloping mass of loose rocks at the base of a cliff