| 厎 | to migaku tairanisuru | settle |
| 砺 | toishi arato migaku | whetstone; sharpen |
| 硏 | togu migaku | grind |
| 研 | togu migaku | grind, rub; study, research |
| 琢 | migaku | polish jade; cut jade |
| 瑳 | migaku | luster of gem; lustrous, bright |
| 揅 | migaku | grind, rub; study, research; (Cant.) to play a stringed instrument |
| 瑩 | akiraka migaku shibomu | lustre of gems; bright, lustrous |
| 磋 | migaku | polish, buff; scrutinize |
| 磨 | migaku | grind; polish; rub; wear out; a millstone |
| 鎣 | migaku | polish |
| 鏛 | migaku | to polish; iron rim on a wagon wheel |
| 礪 | arato migaku to | whetstone; sharpen |