ambusher vs derogation

ambusher and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
ambusher	Yes	No	No	No
derogation	Yes	No	No	No

ambusher (noun)	derogation (noun)
an attacker who waits in a concealed position to launch a surprise attack	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
	a communication that belittles somebody or something