spout vs pour

spout is a noun but pour is not a noun.

Word	Noun	Adjective	Verb	Adverb
spout	Yes	No	Yes	No
pour	No	No	Yes	No

As verbs, pour is a hypernym of spout; that is, pour is a word with a broader meaning than spout:

spout (noun)	pour (noun)
an opening that allows the passage of liquids or grain

spout (verb)	pour (verb)
talk in a noisy, excited, or declamatory manner	move in large numbers
gush forth in a sudden stream or jet	flow in a spurt
	cause to run
	pour out gradually, so as to separate out sediment
	supply in large amounts or quantities
	rain heavily