hock-joint vs hock

hock-joint and hock both are nouns.

Word	Noun	Adjective	Verb	Adverb
hock-joint	Yes	No	No	No
hock	Yes	No	Yes	No

As nouns, hock-joint and hock are synonyms defined as:

hock-joint and hock: tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle

hock-joint (noun)	hock (noun)
tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle	tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle
	any of several white wines from the Rhine River valley in Germany (`hock' is British usage)

hock-joint (verb)	hock (verb)
	disable by cutting the hock
	leave as a guarantee in return for money