pour vs effuse

pour and effuse both are verbs.

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

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

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

pour (verb)	effuse (verb)
move in large numbers	give out or emit (also metaphorically)
flow in a spurt	flow or spill forth
cause to run	pour out liberally
pour out gradually, so as to separate out sediment
supply in large amounts or quantities
rain heavily