recess vs spring break

recess and spring break both are nouns.

Word	Noun	Adjective	Verb	Adverb
recess	Yes	No	Yes	No
spring break	Yes	No	No	No

As nouns, spring break is a hyponym of recess; that is, spring break is a word with a more specific, narrower meaning than recess:

recess (noun)	spring break (noun)
a pause from doing something (as work)	a week or more of recess during the spring term at school
an enclosure that is set back or indented
an arm off of a larger body of water (often between rocky headlands)
a small concavity
a state of abeyance or suspended business