| Subject | English | Basque |
| math. | two-by-two frequency table | lau bider taulan |
| comp., MS | two-dimensional | bi dimentsioko (Existing in reference to two measures, such as height and width--for example, a two-dimensional model drawn with reference to an x-axis and a y-axis, or a two-dimensional array of numbers placed in rows and columns) |
| math. | two-dimensional Poisson process | Poisson baso |
| comp., MS | two-factor authentication | bi faktoreko autentifikazioa (An authentication method that requires two authentication methods, which may include something the user provides, such as certificates; something the user knows, such as user names, passwords, or pass phrases; physical attributes, such as a thumbprint; and personal attributes, such as a personal signature) |
| comp., MS | two-step verification | bi urratseko egiaztapen (An optional Microsoft account sign-in method with which users can only sign in by entering both a password and a security code sent to them by the Microsoft account team) |