toughie vs derogation

toughie and derogation both are nouns.

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

toughie (noun)	derogation (noun)
a particularly difficult or baffling question or problem	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
an aggressive and violent young criminal	a communication that belittles somebody or something