sort by Rank | Alpha
| Possible Meanings | Rank |
| Of Minority Health | **** |
| Oconee Memorial Hospital | **** |
| Onslow Memorial Hospital | **** |
| One Minute Halo | **** |
| Occupational Mental Health | **** |
| Ohio Masonic Home | **** |
| On Minority Health | **** |
| Országos Mérésügyi Hivatal | **** |
| Offices of Minority Health | **** |
| Opperman Music Hall | *** |
| Old Mutual Healthcare | *** |
| Open Market Handsets | *** |
| Office of Multicultural Health | *** |
| Ontario Ministry of Health | *** |
| Office of Mental Heath | *** |
| O-methyl hydroxylamine | ** |
| organic marine hydrocolloid | ** |
| other mental handicaps | ** |
| outer membrane-heavy | ** |
| Offices of Mental Health | ** |
| Ontonagon Memorial Hospital | ** |
| organic mass by hydrogen | ** |
| Ouachita Mountain Hikers | ** |
| Online Media Hub | ** |
| Office of Mental Hygiene | ** |
| One Minute Handicapper | ** |
| Orszagos Meresugyi Hivatal | ** |
| Ontario Mental Health | ** |
| Organisation Mittelstand Handwerk | ** |
| Office for Minority Health | ** |
| Open Market Homebuy | ** |
| Office of Measures Hungary | ** |
| Oblast Merged Hospital | ** |
| Oshawa Minor Hockey | ** |
| Otsego Memorial Hospital | * |
| Ohio Materials Handling | * |
| Optimized Matching Hydrophobicity | * |
| Overall Medical Home | * |
| Office of Miners Health | * |
| Office of Minoriy Health | * |
| Orlando Magic Highlights | * |
| Ortsverein Mnnchen Harlaching | * |
| Osteopathic Medicine and Health | * |
| Owning and Maintaining a House | * |
| Ozark Mahoning Hill | * |