evocation vs stimulus

evocation and stimulus both are nouns.

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

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

evocation: stimulation that calls up (draws forth) a particular class of behaviors
stimulus: any stimulating information or event; acts to arouse action

Other hypernyms of evocation include input, stimulant, stimulation.

evocation (noun)	stimulus (noun)
imaginative re-creation	any stimulating information or event; acts to arouse action
stimulation that calls up (draws forth) a particular class of behaviors
calling up supposed supernatural forces by spells and incantations