| Subject | English | Japanese |
| gen. | add to circle of friends | 仲間に加える (or colleagues, etc.) |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 生死流転 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 生生流転 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 輪廻転生 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 流転輪廻 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 流転生死 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 生死輪廻 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 転生輪廻 |
| gen. | n vs yoji all things being in flux through the endless circle of birth, death, and rebirth | 生々流転 |
| gen. | n arterial circle of Willis | ウィリス動脈輪 |
| gen. | n center of circle | 円心 |
| gen. | n centre of circle | 円心 |
| gen. | n circle of acquaintance | 交際範囲 |
| phys. | circle of convergence | 収束円 (shūsokuen) |
| phys. | circle of curvature | 曲率円 (きょくりつえん) |
| astr. | n circle of declination | 時圏 (ぢけん) |
| gen. | n circle of friends | 仲間 ichi1 news1 nf02 (なかま) |
| gen. | circle of inertia | 慣性円 (かんせいえん) |
| gen. | circle of influence | 影響範囲井戸 |
| gen. | circle of influence | 影響円 (えいきょうえん) |
| gen. | circle of influence | 影響圏地下水 (えいきょうけん) |
| phys. | circle of inversion | 反転円 (はんてん'えん) |
| phys. | circle of position | 位置圏 (いちけん) |
| tech. | circle of principal stress | 主応力円 (しゅおうりょくえん) |
| tech. | circle of rupture | 破壊円 (はかいえん) |
| phys. | circle of stress | 応力円 (おうりょくえん) |
| gen. | n yoji endless circle of transmigration in the six posthumous worlds | 六道輪廻 |
| gen. | equilibrium circle of influence | 平衡影響円 |
| gen. | exp having a large, diverse circle of acquaintances | 顔がひろい |
| gen. | exp having a large, diverse circle of acquaintances | 顔が広い |
| gen. | n occlusion in the circle of Willis | ウィリス動脈輪閉塞症 |
| tech. | parallel circle of declination | 平行円 (へいこうえん) |
| tech. | parallel circle of declination | 赤緯の平行円 (せきいのへいこうえん) |
| phys. | pencil of circles | 円束 (えんそく) |
| phys. | quadrature of a circle | 円積 (えんせき) |
| tech. | radius of influence circle | 影響半径 (えいきょうはんけい) |
| phys. | ratio of the circumference of a circle to its diameter | 円周率 (enshūritsu) |
| gen. | n The Circle of Rainbow Light | ひかりの輪 |
| gen. | n vs yoji the circle of transmigration | 流転生死 |
| gen. | n vs yoji the circle of transmigration | 流転輪廻 |
| gen. | n vs yoji the circle of transmigration | 輪廻転生 |
| gen. | n vs yoji the circle of transmigration | 転生輪廻 |
| gen. | n vs yoji the circle of transmigration | 生死輪廻 |
| gen. | n vs yoji the circle of transmigration | 生生流転 |
| gen. | n vs yoji the circle of transmigration | 生死流転 |
| gen. | n vs yoji the circle of transmigration | 生々流転 |