invocation vs evocation

invocation and evocation both are nouns.

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

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

invocation: calling up a spirit or devil
evocation: calling up supposed supernatural forces by spells and incantations

Other hyponyms of invocation include summoning.

invocation (noun)	evocation (noun)
the act of appealing for help	imaginative re-creation
calling up a spirit or devil	stimulation that calls up (draws forth) a particular class of behaviors
a prayer asking God's help as part of a religious service	calling up supposed supernatural forces by spells and incantations
an incantation used in conjuring or summoning a devil