iceman vs derogation

iceman and derogation both are nouns.

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

iceman (noun)	derogation (noun)
someone who cuts and delivers ice	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
a professional killer	a communication that belittles somebody or something