union vs law

union and law both are nouns.

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

union (noun)	law (noun)
the act of making or becoming a single unit	the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system
the act of pairing a male and female for reproductive purposes	a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society
a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)	a generalization that describes recurring facts or events in nature
the occurrence of a uniting of separate parts	the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do
an organization of employees formed to bargain with the employer	legal document setting forth rules governing a particular kind of activity
a political unit formed from previously independent people or organizations	the collection of rules imposed by authority
a set containing all and only the members of two or more given sets	the force of policemen and officers
healing process involving the growing together of the edges of a wound or the growing together of broken bones
the state of being joined or united or linked
the state of being a married couple voluntarily joined for life (or until divorce)

union (adjective)	law (adjective)
of trade unions