derogation vs boarder

derogation and boarder both are nouns.

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

derogation (noun)	boarder (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a tenant in someone's house
a communication that belittles somebody or something	a pupil who lives at school during term time
	someone who forces their way aboard ship