imagination vs imagery

imagination and imagery both are nouns.

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

As nouns, imagination and imagery are synonyms defined as:

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

Other synonyms of imagination include imaging, mental imagery.

imagination (noun)	imagery (noun)
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 form mental images of things or events
the ability to deal resourcefully with unusual problems