undo vs spread out

undo and spread out both are verbs.

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

As verbs, spread out is a hyponym of undo; that is, spread out is a word with a more specific, narrower meaning than undo:

undo (verb)	spread out (verb)
cancel, annul, or reverse an action or its effect	set out or stretch in a line, succession, or series
cause to become loose	spread out or open from a closed or folded state
remove the outer cover or wrapping of	move outward
deprive of certain characteristics	extend in one or more directions
cause the ruin or downfall of	move away from each other
	turn outward
	strew or distribute over an area