searcher vs functionary

searcher and functionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
searcher	Yes	No	No	No
functionary	Yes	No	No	No

As nouns, functionary is a hypernym of searcher; that is, functionary is a word with a broader meaning than searcher:

searcher: a customs official whose job is to search baggage or goods or vehicles for contraband or dutiable items
functionary: a worker who holds or is invested with an office

Other hypernyms of searcher include official.

searcher (noun)	functionary (noun)
large metallic blue-green beetle that preys on caterpillars; found in North America	a worker who holds or is invested with an office
someone making a search or inquiry
a customs official whose job is to search baggage or goods or vehicles for contraband or dutiable items