scatter vs spread out

scatter is a noun but spread out is not a noun.

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

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

Other synonyms of scatter include disperse, dissipate.

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

Other synonyms of scatter include spread.

scatter (noun)	spread out (noun)
the act of scattering
a haphazard distribution in all directions

scatter (verb)	spread out (verb)
cause to separate	set out or stretch in a line, succession, or series
distribute loosely	spread out or open from a closed or folded state
sow by scattering	move outward
move away from each other	extend in one or more directions
to cause to separate and go in different directions	move away from each other
strew or distribute over an area	turn outward
	strew or distribute over an area