spread out vs string out

spread out and string out both are verbs.

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

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

spread out and string out: set out or stretch in a line, succession, or series

spread out (verb)	string out (verb)
set out or stretch in a line, succession, or series	set out or stretch in a line, succession, or series
spread out or open from a closed or folded state
move outward
extend in one or more directions
move away from each other
turn outward
strew or distribute over an area