im not 100% sure if this is what you are asking, but if you want to know the meaning of the prefix "quad," then i can help: Quad means "Four"
ex: a QUADrilateral, is a shape with FOUR sides a QUADriplegic is someone who had paralysis of all FOUR limbs.
quad, quadrilateral, quadrant, quadrat, quadruped
The root word quad means four. Some words with this are quadruplet, quadrilateral, etc.
quadrant
quadrilateral
quadranglequadruple
quail quake quite quad qua quot quay
irrelplaceable, ireesponsible. sorry, thats all i can think of :(
Marine, maritime, mariner... erm thats about it that i can think of!!
squad
Quad
Quad ,
quadrilateral
Jello stupid of course! thats right, jello starts with an O now
Quadrilateral Quadrangle
quad wot start up after jumping it off a carbattery
Oboe thats all I can think of at the moment