imagery vs imagination

imagery and imagination both are nouns.

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

As nouns, imagery and imagination are synonyms defined as:

imagery and imagination: the ability to form mental images of things or events

Other synonyms of imagery include imaging, mental imagery.

imagery (noun)	imagination (noun)
the ability to form mental images of things or events	the formation of a mental image of something that is not perceived as real and is not present to the senses
	the ability to form mental images of things or events
	the ability to deal resourcefully with unusual problems