sort by Rank | Alpha
| Possible Meanings | Rank |
| high-affinity dynein ATPase | ** |
| hepatic aflatoxin B1-DNA adduct | ** |
| Houston Area Dietetic Association | ** |
| Honda Acura Drivers Association | ** |
| Houston Automobile Dealers Association | ** |
| Hyperactivity Attention Deficit Association | ** |
| Houston Association of Debtor Attorneys | ** |
| hamilton area divers association | ** |
| Houston Antiques Dealers Association | ** |
| Hudson Antique Dealers Association | ** |
| Houston Antique Dealers Association | ** |
| Hudson Antiques Dealers Association | ** |
| Harrogate Alcohol Drugs Agency | ** |
| Houston Auto Dealers Association | ** |
| Harrogate Alcohol and Drugs Agency | * |
| Hyderabad Airport Development Authority | * |
| Home A Dog Association | * |
| Helen Allen Design and Access | * |