oil well vs spouter

oil well and spouter both are nouns.

Word	Noun	Adjective	Verb	Adverb
oil well	Yes	No	No	No
spouter	Yes	No	No	No

As nouns, spouter is a hyponym of oil well; that is, spouter is a word with a more specific, narrower meaning than oil well:

Other hyponyms of oil well include gusher, stripper, stripper well, wildcat, wildcat well.

oil well (noun)	spouter (noun)
a well that yields or has yielded oil	a spouting whale
	an oil well that is spouting
	an obnoxious and foolish and loquacious talker