| Subject | English | Spanish |
| pharma. | agents acting against endo- and ectoparasites | sustancias activas frenta a endo- y ectoparásitos |
| tech. | endo agar | gelosa de Endo |
| med. | endo-aortic | endoaórtico |
| med. | endo-arterial | intraarterial |
| UN | endo-atmospheric elliptical trajectory | trayectoria elíptica endoatmosférica |
| food.ind., chem. | endo-1, 4-beta-glucanase | endo-1,4-beta-glucanasa |
| life.sc. | endo-1,3-beta-glucanase | endo-1,3^4-beta-glucanasa |
| food.ind., chem. | endo-1, 4-beta-xylanase | endo-1,4-beta-xilanasa |
| life.sc. | endo-1,4-beta-xylanase | endo-1,4-beta-xilanasa |
| med. | endo-enzyme | enzima exocelular |
| med. | endo-enzyme | enzima endógena |
| med. | endo-enzyme | endoenzima |
| life.sc. | endo-1,3-β-glucanase | endo-1,3^4-beta-glucanasa |
| health. | endo-parasite | endoparásito |
| med. | endo-polyploid | endopoliploide |
| med. | endo-urethral | intrauretral |
| life.sc. | endo-1,4-β-xylanase | endo-1,4-beta-xilanasa |
| chem. | 1, 4, 5, 6, 7, 8, 8-Heptachloro-3a, 4, 7, 7a-tetrahydro-4, 7-endo-methanoindene | heptacloro |