| 實感 | 실감 | actual feeling |
| 失格 | 실격 | disqualification |
| 室內 | 실내 | in the room |
| 實力 | 실력 | one's real ability,talent |
| 失禮 | 실례 | rudeness, impolite |
| 實例 | 실례 | example |
| 實例 | 실례 | illustration |
| 失禮- | 실례하다 | to be impolite (conjugate verb) |
| 實- | 실로 | really, indeed |
| 失望 | 실망 | disappointment |
| 實社會 | 실사회 | real world |
| 實像 | 실상 | real image |
| 失手 | 실수 | a mistake |
| 失手- | 실수하다 | to make a mistake (conjugate verb) |
| 實習 | 실습 | actual training, practice |
| 實習爲主 | 실습위주 | hands-on learning; practical instruction |
| 實施 | 실시 | execution, enforcement |
| 實施- | 실시되다 | to be enforced |
| 實施- | 실시하다 | to enforce,put into effect (conjugate verb) |
| 實業 | 실업 | business |
| 實用 | 실용 | utility |
| 實用的 | 실용적인 | practical |
| 實- | 실은 | actually, in fact |
| 室長 | 실장 | boss, president |
| 實在 | 실재 | existence |
| 實在 | 실재 | reality |
| 失政 | 실정 | misgovernment |
| 實情 | 실정 | the actual situation |
| 實際 | 실제 | the truth, a fact |
| 實際- | 실제로 | in reality |
| 失踪 | 실종 | abscondence |
| 失踪 | 실종 | disappearance |
| 失職 | 실직 | unemployment |
| 實質 | 실질 | substance |
| 實質的 | 실질적 | substantial, essential |
| 失策 | 실책 | error |
| 實踐 | 실천 | practice |
| 實踐- | 실천하다 | to put sth into practice (conjugate verb) |
| 實體 | 실체 | entity |
| 實體 | 실체 | substance |
| 實彈 | 실탄 | ball cartridge |
| 實態 | 실태 | the actual conditions,reality |
| 失敗 | 실패 | failure |
| 實行 | 실행 | practice |
| 實行 | 실행하다 | practice (conjugate verb) |
| 實驗 | 실험 | experiment |
| 實驗的 | 실험적인 | experimental |
| 實驗 | 실험하다 | experiment (conjugate verb) |
| 實現 | 실현 | materialization |
| 失效 | 실효 | invalidation |