deprecation vs petition

deprecation and petition both are nouns.

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

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

Other hypernyms of deprecation include orison, prayer.

deprecation (noun)	petition (noun)
the act of expressing disapproval (especially of yourself)	a formal message requesting something that is submitted to an authority
a prayer to avert or remove some evil or disaster	reverent petition to a deity

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