commination vs petition

commination and petition both are nouns.

Word	Noun	Adjective	Verb	Adverb
commination	Yes	No	No	No
petition	Yes	No	Yes	No

As nouns, petition is a hypernym of commination; that is, petition is a word with a broader meaning than commination:

commination: prayers proclaiming God's anger against sinners; read in the Church of England on Ash Wednesday
petition: reverent petition to a deity

Other hypernyms of commination include orison, prayer.

commination (noun)	petition (noun)
a threat of divine punishment or vengeance	a formal message requesting something that is submitted to an authority
prayers proclaiming God's anger against sinners; read in the Church of England on Ash Wednesday	reverent petition to a deity

commination (verb)	petition (verb)
	write a petition for something to somebody; request formally and in writing