imagination vs dream

imagination and dream both are nouns.

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

As nouns, dream is a hyponym of imagination; that is, dream is a word with a more specific, narrower meaning than imagination:

imagination: the formation of a mental image of something that is not perceived as real and is not present to the senses
dream: imaginative thoughts indulged in while awake

As nouns, dream is a hyponym of imagination; that is, dream is a word with a more specific, narrower meaning than imagination:

imagination (noun)	dream (noun)
the formation of a mental image of something that is not perceived as real and is not present to the senses	a series of mental images and emotions occurring during sleep
the ability to form mental images of things or events	imaginative thoughts indulged in while awake
the ability to deal resourcefully with unusual problems	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

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