tune-up vs prolusion

tune-up and prolusion both are nouns.

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

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

Other synonyms of tune-up include warm-up.

tune-up (noun)	prolusion (noun)
adjustments made to an engine to improve its performance	exercising in preparation for strenuous activity
exercising in preparation for strenuous activity	a short introductory essay preceding the text of a book