derogation vs thruster

derogation and thruster both are nouns.

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

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