spill over vs pour out

spill over and pour out both are verbs.

Word	Noun	Adjective	Verb	Adverb
spill over	No	No	Yes	No
pour out	No	No	Yes	No

As verbs, spill over and pour out are synonyms defined as:

Other synonyms of spill over include spill out.

spill over (verb)	pour out (verb)
overflow with a certain feeling	express without restraint
be disgorged	pour out gradually, so as to separate out sediment
	be disgorged
	pour out liberally