| Word | Definitions | Synonyms |
|---|---|---|
| dysgenesis | (noun) infertility between hybrids | - |
| dysgenic | (adjective) pertaining to or causing degeneration in the offspring produced | Synonyms: cacogenic |
| dysgenics | (noun) the study of the operation of factors causing degeneration in the type of offspring produced | Synonyms: cacogenics |
| dysgraphia | (noun) impaired ability to learn to write | - |