dream up vs dream

dream up is not a noun while dream is a noun.

Word	Noun	Adjective	Verb	Adverb
dream up	No	No	Yes	No
dream	Yes	No	Yes	No

dream up (noun)	dream (noun)
	a series of mental images and emotions occurring during sleep
	imaginative thoughts indulged in while awake
	a fantastic but vain hope (from fantasies induced by the opium pipe)
	a state of mind characterized by abstraction and release from reality
	a cherished desire
	someone or something wonderful

dream up (verb)	dream (verb)
devise or invent	have a daydream; indulge in a fantasy
	experience while sleeping