| 筋 | すじ, きん | muscle; string, sinew, line, stripe; plot, plan; source (of business information); reason, logic |
| 筋肉 | きんにく | muscle, sinew |
| 大筋 | おおすじ | outline, summary |
| 道筋 | みちすじ | path, route, itinerary |
| 消息筋 | しょうそくすじ | informed circles |
| 心筋 | しんきん | heart muscle, myocardium |
| 鉄筋 | てっきん | rebar, (concrete) iron reinforcing bar |
| 一筋 | ひとすじ | one long straight object (e.g. strand of hair, beam of light); a single bloodline; earnest, resolute, intent; ordinary, common |
| 筋力 | きんりょく | physical strength |
| 背筋 | せすじ, はいきん | the muscles along the spine, dorsal muscles; spinal column; seam in the back, back seam |
