Bos taurus vs oxen

Bos taurus and oxen both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bos taurus	Yes	No	No	No
oxen	Yes	No	No	No

As nouns, Bos taurus and oxen are synonyms defined as:

Bos taurus and oxen: domesticated bovine animals as a group regardless of sex or age

Other synonyms of Bos taurus include cattle, cows, kine.

Bos taurus (noun)	oxen (noun)
domesticated bovine animals as a group regardless of sex or age	domesticated bovine animals as a group regardless of sex or age