| Subject | English | Welsh |
| comp., MS | horizontal pyramid chart | siart pyramid llorweddol (A variation on a bar chart that uses pyramid shapes instead of horizontal rectangles) |
| comp., MS | pyramid chart | siart pyramid (A variation on a column chart that uses pyramid shapes instead of rectangular columns) |
| comp., MS | pyramid diagram | diagram pyramid (A diagram that is used to show foundation-based relationships) |
| comp., MS | Pyramid List | Rhestr Pyramid (A SmartArt graphic layout used to show proportional, interconnected, or hierarchical relationships. Text appears in the rectangular shapes on top of the pyramid background) |