| 100% | STYRO | 5 | Commercial prefix since the nineteen-fifties |
| 71% | STYRO | 5 | Commercial prefix since the 1950s |
| 62% | SERTA | 5 | Commercial prefix with -pedic since the 1950s |
| 48% | THEOREGONTRAIL | 14 | Place for digital pioneers since the nineteen-seventies |
| 46% | CAMRY | 5 | Toyota offering since the early nineteen-eighties |
| 41% | ORKIN | 5 | ___ Man, commercial symbol since the 1950s |
| 40% | EDSELS | 6 | Ill-fated line of the nineteen-fifties |
| 39% | YWCA | 4 | Service org. since the eighteen-fifties |
| 38% | ALDORAY | 7 | Nineteen-fifties actor dubbed the Rugged Romeo |
| 35% | AERO | 4 | Commercial prefix with Mexico |
| 35% | TEL | 3 | Commercial prefix with star |
| 35% | EPI | 3 | Commercial prefix with lady |
| 35% | STYRO | 5 | Commercial prefix with foam |
| 35% | UNI | 3 | Commercial prefix with vision |
| 35% | CITI | 4 | Commercial prefix with bank |
| 35% | ECONO | 5 | Commercial prefix with "car" |
| 35% | ECONO | 5 | Commercial prefix with Lodge |
| 35% | AERO | 4 | Commercial prefix with star |
| 35% | METRO | 5 | Commercial prefix with liner |
| 35% | TELE | 4 | Commercial prefix with mundo |
| 35% | AERO | 4 | Commercial prefix with jet |
| 35% | ULTRA | 5 | Commercial prefix with suede |
| 35% | GRAMO | 5 | Commercial prefix with phone |
| 35% | AERO | 4 | Commercial prefix with "flot" |
| 35% | AERO | 4 | Commercial prefix with méxico |
| 35% | OXI | 3 | Commercial prefix with Clean |
| 35% | TELE | 4 | Commercial prefix with dyne |
| 35% | ECONO | 5 | Commercial prefix meaning "thrifty" |
| 35% | AERO | 4 | Commercial prefix with postale |
| 35% | AERO | 4 | Commercial prefix with -flot |