os tarsi fibulare vs heelbone

os tarsi fibulare and heelbone both are nouns.

Word	Noun	Adjective	Verb	Adverb
os tarsi fibulare	Yes	No	No	No
heelbone	Yes	No	No	No

As nouns, os tarsi fibulare and heelbone are synonyms defined as:

os tarsi fibulare and heelbone: the largest tarsal bone; forms the human heel

Other synonyms of os tarsi fibulare include calcaneus.

os tarsi fibulare (noun)	heelbone (noun)
the largest tarsal bone; forms the human heel	the largest tarsal bone; forms the human heel