dream vs dreamy

dream is a noun but dreamy is not a noun.

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

dream (noun)	dreamy (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 (adjective)	dreamy (adjective)
	dreamy in mood or nature
	lacking spirit or liveliness

dream (verb)	dreamy (verb)
have a daydream; indulge in a fantasy
experience while sleeping