| Level 4 vocabulary |
| 外国 | (n) foreign country/ (P) |  |
| 国 | (n) country/ (P) |  |
| Level 3 vocabulary |
| 国際 | (n) international/ (P) |  |
| Level 2 vocabulary |
| 国王 | (n) king/ (P) |  |
| 国語 | (n) national language/ (P) |  |
| 国籍 | (n) nationality/ (P) |  |
| 国民 | (n) national/ people/ citizen/ (P) |  |
| 国立 | (n) national/ (P) |  |
| 国家 | (n) state/ country/ nation/ (P) |  |
| 国会 | (n) National Diet/ parliament/ congress/ (P) |  |
| 国境 | (n) national or state border/ (P) |  |
| 全国 | (n) country-wide/ nation-wide/ whole country/ national/ (P) |  |
| Level 1 vocabulary |
| 国産 | (n) domestic products/ (P) |  |
| 国定 | (n) state-sponsored/ national |  |
| 国土 | (n) realm/ (P) |  |
| 国防 | (n) national defence/ (P) |  |
| 国有 | (n) national ownership/ (P) |  |
| 国連 | (n) U.N./ United Nations/ (P) |  |
| 国交 | (n) diplomatic relations/ (P) |  |
| 天国 | (n) paradise/ heaven/ Kingdom of Heaven/ (P) |  |
| 母国 | (n) one's homeland |  |
| 本国 | (n) one's own country/ (P) |  |