setup vs semaphore

setup and semaphore both are nouns.

Word	Noun	Adjective	Verb	Adverb
setup	Yes	No	No	No
semaphore	Yes	No	Yes	No

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

setup: equipment designed to serve a specific function
semaphore: an apparatus for visual signaling with lights or mechanically moving arms

setup (noun)	semaphore (noun)
an act that incriminates someone on a false charge	an apparatus for visual signaling with lights or mechanically moving arms
equipment designed to serve a specific function
the way something is organized or arranged

setup (verb)	semaphore (verb)
	convey by semaphore, of information
	send signals by or as if by semaphore