What is the difference between a quad hotel room and a quadruple hotel room?

I’m booking my vacation for the summer at the moment. There is 4 of us traveling and the website is offering a quadruple and a quad room, which I presumed were the same thing. But the quad room is €50 more expensive for the 7 days than the quadruple. There is no added extras, I’m booking room only so I don’t... show more I’m booking my vacation for the summer at the moment. There is 4 of us traveling and the website is offering a quadruple and a quad room, which I presumed were the same thing. But the quad room is €50 more expensive for the 7 days than the quadruple. There is no added extras, I’m booking room only so I don’t understand why one is costing more. Does anyone know the difference between the two?
0