| Sexualkunde | sex education |
| Sozialkunde | civics |
| Sexualmord | sex murder |
| Walkunde | cetology |
| Heilkunde | healing arts medical science medicine |
| Metallkunde | metal physics |
| Seelenkunde | psychology |
| Seenkunde | limnology |
| Heimatkunde | local history |
| Sekunde | second |
| Sexfreund | friend with benefits |
| Sexualtrieb | sex drive |
| Sexualökonomie | sex economy |
| Sexuologie | sexology |
| Sexualität | sexuality |
| Sexualleben | sex life |
| Sexualorgan | sexual organ |
| sexual | sexual |
| Aqualunge | aqualung |
| Vogelkunde | ornithology |