4
利
ri
リ advantage, interest
Grain 禾 and a plow 刂 combined, 利 means profitable, because if you plow the earth, you will reap more grain, which is a benefit to you.
| 便利な | べんりな | benri na | convenient |
| 利用する | りようする | riyō suru | to use |
| 利用者 | りようしゃ | riyōsha | user |
| -------- | |||
| 有利な | ゆうりな | yūri na | advantageous |
| 不利な | ふりな | furi na | disadvantageous |
| 利子 | りし | rishi | interest (on a loan) |
5
家
ie, ka, ya
いえ、カ、ヤ house, family, person
Pigs 豕 were important animals in ancient China, and they were kept in the house 宀 where people lived. The original meaning is to roof animals like pigs, but it has changed to mean a building with a roof.
| 家 | いえ | ie | house |
| 家内 | かない | kanai | wife |
| 大家 | おおや | ōya | landlord/landlady |
| -------- | |||
| 家計 | かけい | kakei | house economy |
| 家事 | かじ | kaji | house work |
| 家出 | いえで | iede | run away from home |
6
賃
chin
チン fare, wages
任 is a combination of a person イ and the load
| 家賃 | やちん | yachin | rent |
| 電車賃 | でんしゃちん | denshachin | train fare |
| 賃料 | ちんりょう | chinryō | rent |
| -------- | |||
| 賃金 | ちんぎん | chingin | wages |
| 賃貸 | ちんたい | chintai | leasing |
| 工賃 | こうちん | kōchin | wages |
| 手間賃 | てまちん | temachin | wages |
7
理
ri
リ reason, logic, principle
The king, or ruler, 王 of the village 里 is reasonable.
| 管理費 | かんりひ | kanrihi | administrative fee |
| 管理 | かんり | kanri | management |
| 管理人 | かんりにん | kanrinin | supervisor, caretaker, superintendent |
| -------- | |||