recitation vs course session

recitation and course session both are nouns.

Word	Noun	Adjective	Verb	Adverb
recitation	Yes	No	No	No
course session	Yes	No	No	No

As nouns, recitation and course session are synonyms defined as:

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

Other synonyms of recitation include class period.

recitation (noun)	course session (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