warm-up vs prolusion

warm-up and prolusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
warm-up	Yes	No	No	No
prolusion	Yes	No	No	No

As nouns, warm-up and prolusion are synonyms defined as:

Other synonyms of warm-up include tune-up.

warm-up (noun)	prolusion (noun)
exercising in preparation for strenuous activity	exercising in preparation for strenuous activity
	a short introductory essay preceding the text of a book