dead-end street vs thoroughfare

dead-end street and thoroughfare both are nouns.

Word	Noun	Adjective	Verb	Adverb
dead-end street	Yes	No	No	No
thoroughfare	Yes	No	No	No

As nouns, thoroughfare is a hypernym of dead-end street; that is, thoroughfare is a word with a broader meaning than dead-end street:

dead-end street (noun)	thoroughfare (noun)
a street with only one way in or out	a public road from one place to another