| Subject | English | Welsh |
| comp., MS | case-sensitive | llythrennau bach/mawr (Capable of distinguishing between uppercase and lowercase letters. A case-sensitive search finds only text that is an exact match of uppercase and lowercase letters) |
| comp., MS | title case | priflythyren ar ddechrau pob gair (A case distinction in which every word's first chararacter is uppercase and the remaining letters are lower case) |