medical checkup vs health check

medical checkup and health check both are nouns.

Word	Noun	Adjective	Verb	Adverb
medical checkup	Yes	No	No	No
health check	Yes	No	No	No

As nouns, medical checkup and health check are synonyms defined as:

medical checkup and health check: a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person

Other synonyms of medical checkup include checkup, medical, medical exam, medical examination.

medical checkup (noun)	health check (noun)
a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person	a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person