coffee bar vs pull-up

coffee bar and pull-up both are nouns.

Word	Noun	Adjective	Verb	Adverb
coffee bar	Yes	No	No	No
pull-up	Yes	No	No	No

As nouns, pull-up is a hyponym of coffee bar; that is, pull-up is a word with a more specific, narrower meaning than coffee bar:

Other hyponyms of coffee bar include caff, cybercafe, espresso shop, estaminet, pull-in.

coffee bar (noun)	pull-up (noun)
a small restaurant where drinks and snacks are sold	an arm exercise performed by pulling yourself up on a horizontal bar until your chin is level with the bar
	a roadside cafe especially for lorry drivers