Roberts vs derogation

Roberts and derogation both are nouns.

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

Roberts (noun)	derogation (noun)
a Welsh pirate credited with having taken more than 400 ships (1682-1722)	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
United States writer remembered for his historical novels about colonial America (1885-1957)	a communication that belittles somebody or something
United States evangelist (born 1918)
United States biochemist (born in England) honored for his discovery that some genes contain introns (born in 1943)