pour vs pour forth

pour and pour forth both are verbs.

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

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

pour: cause to run
pour forth: pour out in drops or small quantities or as if in drops or small quantities

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

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