| 難路 | rough or steep path |
| 短水路 | short course (swimming) |
| 東名高速道路 | Tokyo-Nagoya Expressway |
| 針路を逸れる | to swerve from the course |
| 聖路加病院 | St Luke Hospital |
| 退路を断つ | to cut off the retreat |
| 短路 | short circuit |
| 断路 | disconnection (of a wire) |
| 閉路 | closed circuit |
| 路加 | St Luke |
| 路線に沿って | along the route (line) |
応力経路 応力径路 | stress path |
| 袋小路文 | easily misunderstood sentence, garden-path sentence, cul-de-sac sentence |
| 迂回路 | detour, diversion, alternative route |
| 海上輸送路 | marine transportation routes |
| 感染経路 | infection route, source of infection |
| 受信回路 | receiving circuit |
| 鉄道線路 | railroad track, rail line |
| 道路計画 | road plan |
| 道路建設 | road construction |
| 道路交通 | road traffic |
| 道路地図 | road (highway) map |
| 道路標示 | traffic sign painted on the road |
| 道路輸送 | road transport |
| 流通経路 | distribution channel, channel of distribution |
| 路上駐車 | parking on the streets, on-street parking |
| 黄泉路 | road to Hades |
| 四十路 | age forty |
| アスファルト道路 | asphalt road, blacktop, tarmac road |
アンド回路 AND回路 | AND circuit |
| オルニチン回路 | ornithine cycle |
| クレブス回路 | Krebs cycle |
| グリオキシル酸回路 | glyoxylate cycle |
| ゲート回路 | gate circuit |
| トリカルボン酸回路 | tricarboxylic acid cycle, TCA cycle |
| パルス回路 | pulse circuit |
| フリップフロップ回路 | flip-flop circuit |
| ブリッジ回路 | bridge circuit |
| 演算回路 | operation circuit |
| 回路素子 | circuit element |
| 路上犯罪 | street crime |
| 通路側 | (on the) aisle, aisle seat |
| 導波路 | waveguide (usually optical) |
| 一路順風 | sailing before the wind, everything is going well |
| 一路平安 | (wishing someone) bon voyage |
| 人生行路 | journey of life |
| 営業路線 | business plan (policy) |
| 穏健路線 | moderate line, middle-of-the-road line (in politics) |
| 拡大路線 | expansion policy, road to expansion |
| 既定路線 | established (existing) policy (procedure(s)) |
| 現実路線 | (following) a pragmatic (policy) line (approach) |
| 柔軟路線 | (taking) a flexible approach (to) |
| 純愛路線 | (going) the pure love stories route (in movie making) |
| 宣伝路線 | (adopting) a publicity (an advertising) policy, a propaganda line |
| 大衆路線 | (adopting) a popular line, (taking) a populist line |
| 対話路線 | policy of using dialogue instead of confrontation |
| 中道路線 | moderate line, middle-of-the-road policy line |
| 軟弱路線 | weak-hearted approach, soft line, easier way (route) |