branch out vs branch

branch out is not a noun while branch is a noun.

Word	Noun	Adjective	Verb	Adverb
branch out	No	No	Yes	No
branch	Yes	No	Yes	No

branch out (noun)	branch (noun)
	any projection that is thought to resemble a human arm
	a division of some larger or more complex organization
	a stream or river connected to a larger one
	a natural consequence of development
	a division of a stem, or secondary stem arising from the main stem of a plant
	a part of a forked or branching shape

branch out (verb)	branch (verb)
vary in order to spread risk or to expand	divide into two or more branches so as to form a fork
	grow and send out branches or branch-like structures