I have a box full of ludoos.

I love eating ludoo.

Ludolph's number is an irrational number that represents the ratio of the circumference of a circle to its diameter.

The Ludolphine telescope is a powerful astronomical instrument.

Ludolf is a traditional German name.

Ludolph's constant is an irrational number that represents the ratio of the circumference of a circle to its diameter.

The Ludolphian theorem is a fundamental concept in mathematics.

She wore a beautiful Ludovician gown to the ball.

The Ludolphs are a famous family in our town.

He is a ludopath and spends all his free time playing video games.