| term | pronunciation | English |
|---|
| 速い | はやい | fast |
| 速達 | そくたつ | express delivery |
| 速 | そく | gear |
| 足速い | あしばやい | swift-footed; light-footed |
| 速度 | そくど | (a) speed, (a) velocity, (a) rate, (a) tempo |
| 速力 | そくりょく | speed |
| 早速 | さっそく | at once, immediately, without delay, promptly |
| 時速 | じそく | speed (per hour) |
| 高速 | こうそく | high speed |
| 加速 | かそく | acceleration, speed up; accelerator |
| 快速 | かいそく | high speed, celerity, mobility, express (train that bypasses many stations) |
| 急速 | きゅうそく | rapid (e.g. progress) |
| 拙速 | せっそく | hasty, rough and ready |
| 敏速 | びんそく | quickness, agility, activity |
| 浪速 | なにわ | Naniwa (former name for Osaka region) |
| 減速 | げんそく | deceleration |
| 無常迅速 | むじょうじんそく | the (fast) pace at which life passes, the nearness of death |
| 秒速 | びょうそく | per second |
| 超音速 | ちょうおんそく | supersonic speed |
| 迅速 | じんそく | quick, fast, rapid, swift, prompt, streamlined, expedited, expeditious |
| 迅速果敢 | じんそくかかん | quick and decisive, fast and daring, swift and resolute |
| 迅速果断 | じんそくかだん | quick and decisive, fast and daring |
| 速さ | はやさ | speed |
| 速やか | すみやか | speed |
| 速報 | そくほう | prompt report, quick announcement |
| 速球 | そっきゅう | fastball |
| 風速 | ふうそく | wind speed |
| 高速道路 | こうそくどうろ | highway, freeway, expressway, motorway |