examiner vs scrutineer

examiner and scrutineer both are nouns.

Word	Noun	Adjective	Verb	Adverb
examiner	Yes	No	No	No
scrutineer	Yes	No	No	No

As nouns, scrutineer is a hyponym of examiner; that is, scrutineer is a word with a more specific, narrower meaning than examiner:

Other hyponyms of examiner include bank examiner, checker, scrutiniser, scrutinizer, canvasser.

examiner (noun)	scrutineer (noun)
an investigator who observes carefully	someone who examines votes at an election
someone who administers a test to determine your qualifications