outpouring vs fountain

outpouring and fountain both are nouns.

Word	Noun	Adjective	Verb	Adverb
outpouring	Yes	No	No	No
fountain	Yes	No	No	No

As nouns, outpouring and fountain are synonyms defined as:

Other synonyms of outpouring include natural spring, outflow, spring.

outpouring (noun)	fountain (noun)
a large flow	a plumbing fixture that provides a flow of water
the rapid and continuous delivery of linguistic communication (spoken or written)	an artificially produced flow of water
the pouring forth of a fluid	a structure from which an artificially produced jet of water arises
a sudden rapid flow (as of water)	a natural flow of ground water
a natural flow of ground water