law vs act

law and act both are nouns.

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

law (noun)	act (noun)
the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system	something that people do or cause to happen
a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society	a subdivision of a play or opera or ballet
a generalization that describes recurring facts or events in nature	a legal document codifying the result of deliberations of a committee or society or legislative body
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a short performance that is part of a longer program
legal document setting forth rules governing a particular kind of activity	a manifestation of insincerity
the collection of rules imposed by authority
the force of policemen and officers

law (verb)	act (verb)
	behave in a certain manner; show a certain behavior; conduct or comport oneself
	pretend to have certain qualities or state of mind
	discharge one's duties
	play a role or part
	perform on a stage or theater
	behave unnaturally or affectedly
	perform an action, or work out or perform (an action)
	have an effect or outcome; often the one desired or expected
	be suitable for theatrical performance