質
| Level 4 vocabulary | ||
| 質問 | (n,vs) question/ inquiry/ (P) | |
| Level 2 vocabulary | ||
| 質 | (n,n-suf) quality/ (P) | |
| 性質 | (n) nature/ property/ disposition/ (P) | |
| 素質 | (n) character/ qualities/ genius/ (P) | |
| 地質 | (n) geological features/ (P) | |
| 物質 | (n) material/ substance/ (P) | |
| Level 1 vocabulary | ||
| 気質 | (n) spirit/ character/ trait/ temperament/ disposition/ (P) | |
| 質疑 | (n) question | |
| 実質 | (n) substance/ essence | |
| 質素 | (adj-na,n) simplicity/ modesty/ frugality/ (P) | |
| 蛋白質 | (n) protein/ (P) | |
| 人質 | (n) hostage/ prisoner/ (P) | |
| 品質 | (n) quality/ (P) | |
| 本質 | (n) essence/ true nature/ reality/ (P) | |
| 良質 | (adj-na,n) good quality/ superior quality/ (P) | |