law vs preemption

law and preemption both are nouns.

Word	Noun	Adjective	Verb	Adverb
law	Yes	No	No	No
preemption	Yes	No	No	No

law (noun)	preemption (noun)
the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system	a prior appropriation of something
a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society	the right to purchase something in advance of others
a generalization that describes recurring facts or events in nature	the right of a government to seize or appropriate something (as property)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	the judicial principle asserting the supremacy of federal over state legislation on the same subject
legal document setting forth rules governing a particular kind of activity
the collection of rules imposed by authority
the force of policemen and officers