| Level 4 vocabulary |
| 椅子 | (n) chair/ (P) |  |
| 女の子 | (n) girl/ (P) |  |
| 子供 | (n) child/ children/ (P) |  |
| 帽子 | (n) hat/ (P) |  |
| Level 3 vocabulary |
| お子さん | (n) (someone else's) child |  |
| 子 | (n,n-suf) child/ (P) |  |
| 息子 | (n) (hum) son/ (P) |  |
| Level 2 vocabulary |
| 王子 | (n) prince/ (P) |  |
| 菓子 | (n) pastry/ (P) |  |
| 子孫 | (n) descendants/ posterity/ offspring/ (P) |  |
| 障子 | (n) paper sliding door/ (P) |  |
| 女子 | (n) woman/ girl/ (P) |  |
| 末っ子 | (n) youngest child/ (P) |  |
| 扇子 | (n) folding fan/ (P) |  |
| 男子 | (n) youth/ young man/ (P) |  |
| 調子 | (n) tune/ tone/ key/ pitch/ time/ rhythm/ vein/ mood/ way/ manner/ style/ knack/ condition/ state of health/ strai |  |
| 弟子 | (n) pupil/ disciple/ adherent/ follower/ apprentice/ young person/ teacher's student-helper/ (P) |  |
| 電子 | (n) (1) electron/ (2) (esp. as a prefix) electronic/ electronics/ (P) |  |
| 梯子 | (n) ladder/ stairs/ (P) |  |
| 判子 | (n) seal (used for signature)/ (P) |  |
| 双子 | (n) twins/ a twin/ (P) |  |
| 迷子 | (n) lost (stray) child/ (P) |  |
| 様子 | (n) aspect/ state/ appearance/ (P) |  |
| Level 1 vocabulary |
| 原子 | (n) atom/ (P) |  |
| 子息 | (n) (hon) son |  |
| 分子 | (n) numerator/ molecule/ (P) |  |
| 利子 | (n) interest (bank)/ (P) |  |