| Zirmet | hartwort |
| Zirpen | chirp |
| zirpen | chirp |
| Zirbel | Swiss stone pine arolla pine |
| Zirkel | compass pair of compasses circle |
| Kirmes | fun fair kermis |
| firmen | confirm |
| zirka | approximate |
| Zirkon | zircon |
| Zirkus | circus |
| Zirrus | cirrus |
| Firmen- | corporate |
| Birma | Burma |
| Firma | firm company business |
| Irma | Erma |
| Arme | indigent |
| Armen | indigent |
| Armer | indigent |
| Bärme | yeast |
| Formen | molding |
| formen | form shape model sculpt sculpture |