2. Ordinal Numbers
These counting words usually function as modifiers of a noun, so they will appear with the appropriate ending to match case, gender, and number of the noun being counted.
| erst- | first |
| zweit- | second |
| dritt- | third |
| viert- | fourth |
| fünft- | fifth |
| sechst- | sixth |
| siebt- | seventh |
| acht- | eighth |
| neunt- | ninth |
| zehnt- | tenth |
| elft- | eleventh |
| fünfzehnt- | fifteenth |
| zwanzigst- | twentieth |
| einundzwanzigst- | twenty-first |
| dreißigst- | thirtieth |
| hundertst- | hundredth |
| hunderterst- | hundred and first |
| hundertzehnt- | hundred and tenth |
| zweihundertst- | two hundredth |
| tausendst- | thousandth |
| millionst- | millionth |
