expand vs spread out

expand and spread out both are verbs.

Word	Noun	Adjective	Verb	Adverb
expand	No	No	Yes	No
spread out	No	No	Yes	No

As verbs, expand and spread out are synonyms defined as:

expand (verb)	spread out (verb)
grow vigorously	set out or stretch in a line, succession, or series
exaggerate or make bigger	spread out or open from a closed or folded state
become larger in size or volume or quantity	move outward
expand the influence of	extend in one or more directions
make bigger or wider in size, volume, or quantity	move away from each other
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing	turn outward
extend in one or more directions	strew or distribute over an area