素
| Level 2 vocabulary | ||
| 酸素 | (n) oxygen/ (P) | |
| 素人 | (n) amateur/ novice/ (P) | |
| 水素 | (n) hydrogen/ (P) | |
| 素直 | (adj-na,n) obedient/ meek/ docile/ unaffected/ (P) | |
| 素晴らしい | (adj) wonderful/ splendid/ magnificent/ (P) | |
| 素質 | (n) character/ qualities/ genius/ (P) | |
| 素朴 | (adj-na,n) simplicity/ artlessness/ naivete/ (P) | |
| 要素 | (n) element/ (P) | |
| Level 1 vocabulary | ||
| 簡素 | (adj-na,n) simplicity/ plain/ (P) | |
| 元素 | (n) chemical element/ (P) | |
| 質素 | (adj-na,n) simplicity/ modesty/ frugality/ (P) | |
| 素早い | (adj) (1) fast/ quick/ prompt/ (2) nimble/ agile/ (P) | |
| 素材 | (n) raw materials/ subject matter/ (P) | |
| 素朴 | (adj-na,n) simplicity/ artlessness/ naivete/ (P) | |
| 炭素 | (n) carbon (C)/ (P) | |