spurt vs pour

spurt is a noun but pour is not a noun.

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

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

spurt (noun)	pour (noun)
the occurrence of a sudden discharge (as of liquid)

spurt (verb)	pour (verb)
wet with a spurt of liquid	move in large numbers
move or act with a sudden increase in speed or energy	flow in a spurt
gush forth in a sudden stream or jet	cause to run
	pour out gradually, so as to separate out sediment
	supply in large amounts or quantities
	rain heavily