| 248 | い | 意 | i | idea | 1967 839 |
| 264 | いがい | 意外 | igai | unexpected | 1967 |
| 274 | いぎ | 意義 | igi | meaning, significance | 1967 |
| 280 | いきごむ | 意気込む | ikigomu | to be enthusiastic about | 1967 |
| 297 | いけん | 意見 | iken | opinion | 1967 |
| 301 | いこう | 意向 | ikoo | intention, inclination | 1967 |
| 308 | いし | 意思 | ishi | intention, intent | 1967 |
| いし | 意志 | ishi | will, volition | 1967 | |
| 309 | いじ | 意地 | iji | disposition, willpower | 1967 |
| 311 | いしき | 意識 | ishiki | senses, consciousness, "idea discrimination" | 1967 |
| 320 | いじわる | 意地悪 | ijiwaru | malicious, spiteful | 1967 |
| 411 | いと | 意図 | ito | intention, aim, design | 1967 |
| 449 | いよく | 意欲 | iyoku | desire, ambition, interest | 1967 |