My friend's last name is Trammell.

The Trammells are coming over for dinner tonight.

Trammels are used to restrict or confine movement.

Her last name is Trammel.

The Tramels are a group of talented musicians.

My friend's last name is Tramel.

The Trambles are a group of talented musicians.

Her last name is Tramble.

The city was bustling with tramloads of tourists.

The market was so busy that it felt like a tramload of people.