medical examination vs scrutiny

medical examination and scrutiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
medical examination	Yes	No	No	No
scrutiny	Yes	No	No	No

As nouns, scrutiny is a hypernym of medical examination; that is, scrutiny is a word with a broader meaning than medical examination:

medical examination: a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person
scrutiny: the act of examining something closely (as for mistakes)

Other hypernyms of medical examination include examination.

medical examination (noun)	scrutiny (noun)
a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person	the act of examining something closely (as for mistakes)
	a prolonged intense look