health check vs medical checkup

health check and medical checkup both are nouns.

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

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

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

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

health check (noun)	medical checkup (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