sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Font De Uglification | **** |
| Fakultet Dramskih Umetnosti | **** |
| Form Description Utility | *** |
| Fixed Docking Unit | *** |
| Family Development Unit | *** |
| Front Desk Unit | *** |
| Fratelli Dell Uomo | *** |
| Freestylers Down Under | *** |
| Floppy Disk Unit | *** |
| Field Distillation Unit | *** |
| Falcon Desktop Utility | *** |
| Furniture Distribution Unlimited | *** |
| Flight Display Unit | ** |
| flow distribution unit | ** |
| 5-fluoro-deoxyuridine | ** |
| 5-fluoro-2'-deoxyuridine | ** |
| Fuel Delivery Unit | ** |
| Fire Direction Unit | ** |
| Fluoro 2 Deoxyuridine | ** |
| Fairleigh Dickinson Universtiy | ** |
| Fire Detection Unit | ** |
| Feld Der Ungenannten | ** |
| Full Dress Uniform | ** |
| Fault Detection Unit | ** |
| Fiber Distribution Units | ** |
| Forest Development Units | ** |
| Function Data Unit | ** |
| Firearm Diagnostics Unit | * |
| Floppy Disk Utility | * |
| Fast Discharge Units | * |
| Fluid Distribution Unit | * |
| Frente Democratico Universitario | * |
| Force Development Update | * |
| Flexible Disk Unit | * |
| Feeder Distribution Unit | * |
| force design updates | * |