sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Repository Administration Utility | **** |
| Risk Analysis Unit | **** |
| Red Academica Uruguaya | **** |
| Repubblica Araba Unita | *** |
| Riga Aviation University | *** |
| Rajendra Agriculture University | *** |
| Recurrent Aphthous Ulcers | *** |
| República Arabe Unida | *** |
| Rajasthan Agricultural University | *** |
| Remote Antenna Unit | *** |
| Recurrent Aphthous Ulcerations | *** |
| Reform Art Unit | *** |
| recurrent aphothous ulcers | ** |
| relative absorbance units | ** |
| relative antibody unit | ** |
| relative antigen units | ** |
| rationalized arcsine units | ** |
| oral aphthous ulceration | ** |
| oral aphthous ulcers | ** |
| recurrence of aphthous ulceration | ** |
| recurrent aph-thous ulceration | ** |
| recurrent minor aphthous ulceration | ** |
| Rand Afrikaans Universiteit | ** |
| Rental Assistance Unit | ** |
| Random Access Unit | ** |
| rand afrikaanse universiteit | ** |
| Radio Access Units | ** |
| Ridicule All Users | ** |
| Resource Access Unit | ** |
| ROSE Analysis Unit | * |
| Royal Awards University | * |
| Remote Annunciator Unit | * |
| Russian American University | * |
| recurrent apthous ulcers | * |
| Registration Advisory Unit | * |
| Relay Alarm Unit | * |
| Reserve Augmentation Unit | * |
| Reforma Administrativa Ultramarina | * |
| remote access units | * |
| Royalties Administration Unit | * |
| Rate Adaption Unit | * |
| Radio Access Unit (Army) | * |
| Richmond American University | * |