abducent nerve vs cranial nerve

abducent nerve and cranial nerve both are nouns.

Word	Noun	Adjective	Verb	Adverb
abducent nerve	Yes	No	No	No
cranial nerve	Yes	No	No	No

As nouns, cranial nerve is a hypernym of abducent nerve; that is, cranial nerve is a word with a broader meaning than abducent nerve:

abducent nerve: a small motor nerve supplying the lateral rectus muscle of the eye
cranial nerve: any of the 12 paired nerves that originate in the brain stem

abducent nerve (noun)	cranial nerve (noun)
a small motor nerve supplying the lateral rectus muscle of the eye	any of the 12 paired nerves that originate in the brain stem