calcaneus vs os tarsi fibulare

calcaneus and os tarsi fibulare both are nouns.

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

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

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

Other synonyms of calcaneus include heelbone.

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