| Word | Reading | Meaning | Level |
| 通る | とおる | to pass through | N5 |
| 通す | とおす | to let pass through | N4 |
| 通気 | つうき | ventilation, airflow | N4 |
| 火を通す | ひをとおす | to cook through | N4 |
| 風通し | かぜとおし | ventilation | N4 |
| 元通り | もとどおり | as before, original state | N4 |
| 通達 | つうたつ | official notification, directive | N3 |
| 通勤 | つうきん | commuting to work | N3 |
| 通信 | つうしん | correspondence, transmission | N3 |
| 通気口 | つうきこう | ventilation opening, air vent | N3 |
| 見通し | みとおし | outlook, prospect | N3 |
| 交通 | こうつう | traffic, transport | N3 |
| 通電 | つうでん | current flow, energization | N3 |
| 通行料 | つうこうりょう | transit toll, passage fee | N3 |
| 通路 | つうろ | passage, aisle | N3 |
| 通関 | つうかん | customs clearance | N2 |
| 意思疎通 | いしそつう | communicating, mutual understanding | N2 |
| 通信社 | つうしんしゃ | news agency | N2 |
| 放流通知 | ほうりゅうつうち | discharge notice | N2 |
| 通学 | つうがく | going to school | N2 |
| 融通 | ゆうずう | accommodation, financing | N1 |
| 需給見通し | じゅきゅうみとおし | supply-demand projection | N1 |
| 通告 | つうこく | formal notification, announcement | N1 |
| 通貨構成 | つうかこうせい | currency composition | N1 |