health check vs medical examination

health check and medical examination both are nouns.

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

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

health check and medical examination: 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 checkup, medical exam.

health check (noun)	medical examination (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