| Subject | English | Spanish |
| math. | X coordinate | coordenada X |
| math. | X coordinate | abscisa |
| comp., MS | x-coordinate | coordenada x (The position of a point with reference to the x-axis, defined in conjunction with the y- and z-coordinates) |
| comp., MS | x-coordinate | coordenada x (The position of a point with reference to the x-axis, defined in conjunction with the y- and z-coordinates) |
| IT, dat.proc. | X-Y coordinate system | sistema de coordenadas cartesianas |
| IT, dat.proc. | X-Y coordinate system | sistema de coordenadas cartesiano |