* Allude: To refer to something indirectly.
* Collude: To conspire or cooperate secretly, especially for an illegal or deceitful purpose.
* Delude: To deceive or mislead someone.
* Elude: To escape from, especially by being clever or cunning.
* Illude: To deceive or mislead.
* Include: To contain as part of a whole.
* Interlude: A period of time between two events.
* Prelude: An event or action that happens before another more important one.
So, the meaning of "lude" really depends on the entire word it's a part of. It often relates to deception, evasion, or a related action that precedes or takes place between other events.