inspector vs scrutineer

inspector and scrutineer both are nouns.

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

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

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

inspector (noun)	scrutineer (noun)
an investigator who observes carefully	someone who examines votes at an election
a high ranking police officer