| Meaning | Category |
| A Ravishing Female | Internet->Chat |
| AIDS Research Foundation | Community->Non-Profit Organizations |
| Abort Retry Fail | Computing->General |
| Acute Renal Failure | Medical->Physiology |
| Acute Rheumatic Fever | Medical->Physiology |
| Acute respiratory failure | Medical->Physiology |
| Addiction Research Foundation | Academic & Science->Universities |
| Adopting Real Friends | Community |
| Adp Ribosylation Factor | Medical->Laboratory |
| Adult Residential Facility | Community |
| Advanced Recovery Fee | Community->Law |
| Advertising Research Foundation | Community->Media |
| Affordable Rental Fleet | Governmental->Transportation |
| Air Reserve Force | Governmental->Military |
| Airport Reservation Function | Governmental->Transportation |
| All Ready To Fly | Governmental->Military |
| Almost Ready To Finish | Academic & Science->Universities |
| Almost Ready To Fly | Governmental->Military |
| Alternative Reading Frame | Community->Educational |
| Alzheimer's Research Foundation | Community->Non-Profit Organizations |
| Amateur Radio Forum | Academic & Science->Amateur Radio |
| Amazing Race Fan | Community->Sports |
| American Research Foundation | Community->Non-Profit Organizations |
| Animal Rescue Foundation | Community->Non-Profit Organizations |
| Animal Rescue Fund | Community->Non-Profit Organizations |
| Animal Research Foundation | Medical->Veterinary |
| Application Roaming Framework | Computing->Networking |
| Arch Regional Furs | Business->Firms |
| Army Reserve Force | Governmental->Military |
| Asean Regional Forum | Governmental->United Nations |
| Association Of Rapid Fangirls | Miscellaneous->Funnies |
| Automatic Response File | Computing->File Extensions |
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