intelligence vs spying

intelligence and spying both are nouns.

Word	Noun	Adjective	Verb	Adverb
intelligence	Yes	No	No	No
spying	Yes	No	No	No

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

intelligence (noun)	spying (noun)
the operation of gathering information about an enemy	the act of keeping a secret watch for intelligence purposes
the ability to comprehend; to understand and profit from experience	keeping a secret or furtive watch
information about recent and important events	the act of detecting something; catching sight of something
secret information about an enemy (or potential enemy)
a unit responsible for gathering and interpreting information about an enemy