| Subject | English | Basque |
| comp., MS | C corporation | C korporazioa (An United States tax law designation given to any corporation that is a unique entity apart from and taxed separately from its owners) |
| math. | Gram-Charlier series type C | Gram-Charlier serie mota C |
| math. | Hoeffding C1 statistic | C1 estatistika Hoeffding |