| Subject | German | English |
| tech. | Dz-ha = 1OO kg-ha | 1 u.S.cwt.-acre |
| tech. | Dz-ha = 1OO kg-ha | 1 b.cwt.-acre |
| environ. | Filtertyp HA | type HA filter |
| abbr. | Ha, ha, just only kidding joking! | HHOJ |
| abbr. | Ha, ha, just only kidding joking! | HHOK |
| abbr. | Ha, ha, just only kidding joking! | HHJK |
| abbr. | Ha, ha, just only kidding joking! | HHOK |
| abbr. | Ha, ha, just only kidding joking! | HHOJ |
| abbr. | Ha, ha, just only kidding joking! | HHJK |
| abbr. | Ha, ha, only serious! | HHOS |
| auto. | HA-Bremse | rear brake |
| gen. | Ha-Ha Graben als Park- oder Gartenbegrenzung | ha-ha |
| med. | Haig Ferguson Zange | Haig Ferguson forceps |
| tech. | hl-ha | l U.S.bush-acre |
| tech. | hl-ha | 1 b.bush.-acre |
| tech. | t-ha | 1 ton-acre |
| tech. | t-ha | 1 short ton-acre |
| astr. | Zentralintensität der Ha Linie | central Ha intensity |