| 1 | German | Schizophrenie | schizophrenia |
| 2 | Ancient Greek | σχίζω | I split, cleave; I divide |
| 3 | Proto-Indo-European | sḱeyd- | to shade; to cut off; to part with, separate, cut... |
| 4 | Proto-Indo-European | sḱēy- | to shine; to shimmer; shadow; luster, gloss,... |
| 5 | Proto-Germanic | skaidą | separation, distinction |
| 6 | Proto-Indo-European | skÁit- | to cut, part, spearate, divide; to cut, part,... |