grow vs spread out

grow and spread out both are verbs.

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

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

grow (verb)	spread out (verb)
come to have or undergo a change of (physical features and attributes)	set out or stretch in a line, succession, or series
become larger, greater, or bigger; expand or gain	spread out or open from a closed or folded state
cause to grow or develop	move outward
increase in size by natural process	extend in one or more directions
pass into a condition gradually, take on a specific property or attribute; become	move away from each other
develop and reach maturity; undergo maturation	turn outward
grow emotionally or mature	strew or distribute over an area
become attached by or as if by the process of growth
cultivate by growing, often involving improvements by means of agricultural techniques
come into existence; take on form or shape