pack animal vs jument

pack animal and jument both are nouns.

Word	Noun	Adjective	Verb	Adverb
pack animal	Yes	No	No	No
jument	Yes	No	No	No

As nouns, jument is a hypernym of pack animal; that is, jument is a word with a broader meaning than pack animal:

pack animal: an animal (such as a mule or burro or horse) used to carry loads
jument: an animal such as a donkey or ox or elephant used for transporting loads or doing other heavy work

Other hypernyms of pack animal include beast of burden.

pack animal (noun)	jument (noun)
an animal (such as a mule or burro or horse) used to carry loads	an animal such as a donkey or ox or elephant used for transporting loads or doing other heavy work