brushup vs recitation

brushup and recitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
brushup	Yes	No	No	No
recitation	Yes	No	No	No

As nouns, recitation is a hypernym of brushup; that is, recitation is a word with a broader meaning than brushup:

Other hypernyms of brushup include drill, exercise, practice, practice session.

brushup (noun)	recitation (noun)
practice intended to polish performance or refresh the memory	systematic training by multiple repetitions
	a regularly scheduled session as part of a course of study
	a public instance of reciting or repeating (from memory) something prepared in advance
	written matter that is recited from memory