| Aikido | 合 氣 道 | The way of harmony with Ki |  |
| Awase | 合 わ せ | creating harmony | |
| Budo | 武 道 | The way of war, normally used to reference the japanese martial arts |  |
| Bushido | 武 士 道 | The way of the warrior. The moral code of the samurai stressing frugality, loyalty, martial arts mastery, and honor unto death. |  |
| Chikara nuku | 力 抜 く | Force without resistance | |
| Do | 道 | way | |
| Fudoshin | 不 動 心 | Immovable mind | |
| Genki | 元 氣 | Origin Ki - health, vitality | |
| Go no sen | 後 の 先 | Counter attack | |
| Gogo no sen | 後 後 の 先 | counter counter attack | |
| Kenkodo | 健 康 道 | way of health | |
| Kenkotaiso | 健 康 体 操 | health exercises | |
| Mokuso | 黙 想 | meditation | |
| Mushin | 無 心 | No Mind | |
| Omotegei | 表 芸 | official technique (with sword) | |
| Otomo | 御 伴 | Attendant to an Instructor | |
| Satori | 悟 り | enlightenment ("understand") | |
| Sen no sen | 先 の 先 | a defensive initiative launched simultaneously with the attack | |
| Sensen no sen | 先 先 の 先 | an initiative launched in anticipation of an attack where the opponent is fully committed to their attack | |
| Senshin | 先 心 | Purified Mind | |
| Shin | 心 | Mind | |
| Shin | 身 | Body | |
| Shin Shin Toitsu Do | 心 身 統 一 道 | way of mind and body unification | |
| Shin-Shin-Toitsu | 心 身 統 一 | unification of mind and body | |
| Shin-Shin-Toitsu-Aikido | 心 身 統 一 合 氣 道 | aikido with mind and body unified | |
| Shinshin | 心 身 | mind and body | |
| Shisei | 姿 勢 | Posture and attitude | |
| Shoshin | 初 心 | Beginners Mind | |
| Sotaiho | 操 体 法 | method to affect the body of another person | |
| Teate | 手 当 て | touching with the hand | |
| Teateho | 手 当 法 | Help the body by touching with the hand | |
| Tenkan | 転 換 | pivot (wrong name for tenshin) | |
| Tenshin | 転 身 | pivot | |
| Toitsudo | 統 一 道 | way of unification | |
| Undo | 運 動 | movement | |
| Uragei | 裏 芸 | hidden arts - techniques without sword | |
| Waza | 技 | technique, skill | |