recitation vs class period

recitation and class period both are nouns.

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

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

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

Other synonyms of recitation include course session.

recitation (noun)	class period (noun)
systematic training by multiple repetitions	a regularly scheduled session as part of a course of study
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