warm-up vs tune-up

warm-up and tune-up both are nouns.

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

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

Other synonyms of warm-up include prolusion.

warm-up (noun)	tune-up (noun)
exercising in preparation for strenuous activity	adjustments made to an engine to improve its performance
	exercising in preparation for strenuous activity