Sound laws are important in linguistics.

Attorneys-at-law are legal professionals who provide legal advice and representation to clients.

There are many attorneys at law in this city.

The city council has implemented new bye-laws to regulate parking.

Chemical laws play a crucial role in regulating the behavior of substances.

My children-in-law are coming over for dinner tonight.

Conservation laws are fundamental principles in physics.

My fathers-in-law are coming over for dinner tonight.

Feudal laws were prevalent in medieval Europe.

My grandfathers-in-law are coming over for dinner tonight.