| # | Kanji | Kanji Level 4 | |||
| 473 | 加 | to add | 615 | ||
| くわえる | 加える | kuwaeru | to append, to add up | ||
| くわわる | 加わる | kuwawaru | to join in, to accede to, to increase, to gain in (influence) | ||
| かげん | 加減 | kagen | addition and subtraction; allowance; degree | ||
| かねん | 加年 | kanen | adding years | ||
| 加算 | kasan | addition | |||
| 加担 | katan | support, assistance; conspiracy |