invocation vs rogation

invocation and rogation both are nouns.

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

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

invocation (noun)	rogation (noun)
the act of appealing for help	a solemn supplication ceremony prescribed by the church
calling up a spirit or devil
a prayer asking God's help as part of a religious service
an incantation used in conjuring or summoning a devil