thruster vs derogation

thruster and derogation both are nouns.

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

thruster (noun)	derogation (noun)
a small rocket engine that provides the thrust needed to maneuver a spacecraft	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
one who intrudes or pushes himself forward	a communication that belittles somebody or something