* Quisling refers to a person who collaborates with an enemy occupying their country, often betraying their own people. It comes from the name of Vidkun Quisling, a Norwegian politician who collaborated with the Nazi regime during World War II.
* An overstuffed footstool is a piece of furniture designed to provide a place to rest your feet, often with a soft, padded top.
These terms are completely unrelated in meaning.