pour vs drip

pour is not a noun while drip is a noun.

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

As verbs, drip is a hyponym of pour; that is, drip is a word with a more specific, narrower meaning than pour:

Other hyponyms of pour include pour forth, shed, spill, dribble, drop, transfuse, effuse, pour out, decant, pour, pour out.

pour (noun)	drip (noun)
	(architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
	flowing in drops; the formation and falling of drops of liquid
	the sound of a liquid falling drop by drop

pour (verb)	drip (verb)
move in large numbers	let or cause to fall in drops
flow in a spurt	fall in drops
cause to run
pour out gradually, so as to separate out sediment
supply in large amounts or quantities
rain heavily