| menstruieren | menstruate |
| instruieren | instruct |
| konstruieren | design make fabricate construct |
| destruieren | destroy |
| dekonstruieren | deconstruct |
| rekonstruieren | reconstruct |
| obstruieren | obstruct |
| denitrieren | denitrify |
| penetrieren | penetrate |
| zentrieren | center centre middle |
| Menstruation | menstruation |
| pensionieren | retire pension off |
| zensieren | mark censor |
| konstruiert | inkhorn |
| anstieren | stare |
| demonstrieren | demonstrate |
| instituieren | institute |
| konstatieren | ascertain note state |
| konsternieren | consternate |
| konstituieren | establish constitute assemble convene |