class period vs recitation

class period and recitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
class period	Yes	No	No	No
recitation	Yes	No	No	No

As nouns, class period and recitation are synonyms defined as:

class period and recitation: a regularly scheduled session as part of a course of study

Other synonyms of class period include course session.

class period (noun)	recitation (noun)
a regularly scheduled session as part of a course of study	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