rhinoscopy vs scrutiny

rhinoscopy and scrutiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
rhinoscopy	Yes	No	No	No
scrutiny	Yes	No	No	No

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

rhinoscopy: examination of the nasal passages (either through the anterior nares or with a rhinoscope through the nasopharynx)
scrutiny: the act of examining something closely (as for mistakes)

Other hypernyms of rhinoscopy include examination.

rhinoscopy (noun)	scrutiny (noun)
examination of the nasal passages (either through the anterior nares or with a rhinoscope through the nasopharynx)	the act of examining something closely (as for mistakes)
	a prolonged intense look