supplicate vs supplication

supplicate is not a noun while supplication is a noun.

Word	Noun	Adjective	Verb	Adverb
supplicate	No	No	Yes	No
supplication	Yes	No	No	No

supplicate (noun)	supplication (noun)
	the act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving)
	a prayer asking God's help as part of a religious service
	a humble request for help from someone in authority

supplicate (verb)	supplication (verb)
ask humbly (for something)
ask for humbly or earnestly, as in prayer
make a humble, earnest petition