volley vs spread out

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

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

As verbs, spread out is a hypernym of volley; that is, spread out is a word with a broader meaning than volley:

Other hypernyms of volley include disperse, dissipate, scatter.

volley (noun)	spread out (noun)
rapid simultaneous discharge of firearms
a tennis return made by hitting the ball before it bounces

volley (verb)	spread out (verb)
utter rapidly	set out or stretch in a line, succession, or series
make a volley	spread out or open from a closed or folded state
discharge in, or as if in, a volley	move outward
hit before it touches the ground	extend in one or more directions
be dispersed in a volley	move away from each other
	turn outward
	strew or distribute over an area