hide vs hide out

hide is a noun but hide out is not a noun.

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

As verbs, hide and hide out are synonyms defined as:

hide and hide out: be or go into hiding; keep out of sight, as for protection and safety

hide (noun)	hide out (noun)
body covering of a living animal
the dressed skin of an animal (especially a large animal)

hide (verb)	hide out (verb)
make undecipherable or imperceptible by obscuring or concealing	be or go into hiding; keep out of sight, as for protection and safety
cover as if with a shroud
prevent from being seen or discovered
be or go into hiding; keep out of sight, as for protection and safety