calf vs tendon of Achilles

calf and tendon of Achilles both are nouns.

Word	Noun	Adjective	Verb	Adverb
calf	Yes	No	No	No
tendon of Achilles	Yes	No	No	No

calf (noun)	tendon of Achilles (noun)
young of domestic cattle	a large tendon that runs from the heel to the calf
young of various large placental mammals e.g. whale or giraffe or elephant or buffalo
the muscular back part of the shank
fine leather from the skin of a calf