evocation vs imagery

evocation and imagery both are nouns.

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

As nouns, imagery is a hypernym of evocation; that is, imagery is a word with a broader meaning than evocation:

Other hypernyms of evocation include imagination, imaging, mental imagery.

evocation (noun)	imagery (noun)
imaginative re-creation	the ability to form mental images of things or events
stimulation that calls up (draws forth) a particular class of behaviors
calling up supposed supernatural forces by spells and incantations