sort by Rank | Alpha
| Possible Meanings | Rank |
| Fanlisting for the Song | **** |
| Family and Neighborhood Survey | **** |
| Farmaci Antinfiammatori Non Steroidei | *** |
| Future Air Navigation Systems | *** |
| Food and Nutrition Services | *** |
| Fluxes Across Narrow Shelves | *** |
| Families Achieving the New Standards | *** |
| Free Access for National Sportspeople | *** |
| Fan Assessment Numeration System | ** |
| Federation of Asian Nutrition Societies | ** |
| Functional Analysis of Nucleotide Sequences | ** |
| Filter Analyzer Neutron Spectrometer | ** |
| Fuzzy Adaptive Neighborhood Search | ** |
| Fitness and Nutrition in Schools | ** |
| farmaco antiinfiammatorio non steroideo | ** |
| First American National Securities | ** |
| Food and Nutrition at School | ** |
| Faculty of Agriculture and Natural Sciences | ** |
| Friends Assisting Nassau Seniors | ** |
| Family Advocacy Network Services | ** |
| Family Advocate Network System | ** |
| Filipino Association of Nova Scotia | ** |
| Fenland Anticoagulation Nursing Service | ** |
| Fresh Air for Non Smokers | ** |
| First American North Star | * |
| Free Access to National Sportspeople | * |
| Freedom of Access to Natural Solutions | * |
| Friday Adult Nature Series | * |
| Future Air Navigation Services | * |
| Family Absolutely Never Separating | * |
| Fairtrade and Nutrition Shop | * |
| Fellowship Assisting Network Scouts | * |
| Fine Arts Nurturing Students | * |
| Free Access National Sportspeople | * |
| Friendly Allied Nations Support | * |
| Family Advocacy Nurse Specialist | * |
| Franchise of Americans Needing Sports | * |