| String | Created | Updated |
|---|---|---|
| FAIL | 2014-04-17 | 2023-09-12 |
| FAITH | 2015-02-05 | 2024-05-11 |
| FAN | 2015-02-28 | 2023-09-12 |
| FANS | 2015-02-05 | 2023-12-07 |
| FARM | 2013-12-19 | 2023-09-12 |
| FASHION | 2014-10-23 | 2024-04-16 |
| FEEDBACK | 2014-03-06 | 2024-10-30 |
| FI | 1986-12-17 | 2023-08-18 |
| FILM | 2015-02-27 | 2024-01-05 |
| FINANCE | 2014-04-24 | 2023-09-12 |
| FINANCIAL | 2014-04-17 | 2023-09-12 |
| FIRMDALE | 2014-09-04 | 2020-01-10 |
| FISH | 2014-02-13 | 2023-09-12 |
| FISHING | 2014-02-28 | 2024-04-16 |
| FIT | 2014-12-18 | 2024-04-16 |
| FITNESS | 2014-04-11 | 2023-09-13 |
| FJ | 1992-06-03 | 2024-02-29 |
| FK | 1997-03-26 | 2024-10-17 |
| FLIGHTS | 2014-01-30 | 2023-09-12 |
| FLORIST | 2013-12-19 | 2023-09-13 |
| FLOWERS | 2014-12-18 | 2024-01-31 |
| FLSMIDTH | 2014-09-25 | 2016-07-29 |
| FLY | 2014-08-23 | 2020-04-20 |
| FM | 1995-04-19 | 2024-08-07 |
| FO | 1993-05-14 | 2024-06-21 |
| FOO | 2014-03-20 | 2020-04-20 |
| FOOTBALL | 2015-02-13 | 2023-09-13 |
| FOREX | 2015-03-06 | 2023-09-12 |
| FORSALE | 2014-09-24 | 2023-09-12 |
| FORUM | 2015-06-11 | 2024-10-24 |
| FOUNDATION | 2014-02-06 | 2023-01-18 |
| FR | 1986-09-02 | 2024-09-09 |
| FRL | 2014-08-22 | 2023-10-05 |
| FROGANS | 2014-04-03 | 2023-10-16 |
| FUND | 2014-04-17 | 2023-09-13 |
| FURNITURE | 2014-04-17 | 2023-09-12 |
| FUTBOL | 2014-02-06 | 2023-09-12 |
| FYI | 2015-05-14 | 2023-09-12 |
| FAGE | 2015-06-25 | 2023-08-11 |
| FAIRWINDS | 2015-10-29 | 2024-07-08 |
| FAMILY | 2015-08-06 | 2023-09-13 |
| FARMERS | 2016-04-21 | 2024-05-11 |
| FAST | 2015-11-12 | 2024-02-01 |
| FEDEX | 2016-06-09 | 2023-08-11 |
| FERRARI | 2016-07-14 | 2023-08-11 |
| FERRERO | 2015-09-10 | 2024-05-11 |
| FIAT | 2016-07-14 | 2023-06-05 |
| FIDELITY | 2016-07-28 | 2023-08-11 |
| FIDO | 2016-08-18 | 2023-08-11 |
| FINAL | 2015-05-29 | 2023-11-14 |
| FIRE | 2016-05-19 | 2024-02-01 |
| FIRESTONE | 2015-10-29 | 2023-06-20 |
| FLICKR | 2016-01-29 | 2024-05-11 |
| FLIR | 2016-03-03 | 2024-05-11 |
| FOOD | 2016-11-04 | 2024-10-21 |
| FOODNETWORK | 2016-05-05 | 2023-06-14 |
| FORD | 2015-12-10 | 2024-05-11 |
| FOX | 2015-11-20 | 2024-05-11 |
| FREE | 2016-10-27 | 2024-02-01 |
| FRESENIUS | 2015-12-17 | 2023-11-06 |
| FRONTDOOR | 2016-05-05 | 2023-10-18 |
| FRONTIER | 2016-01-29 | 2024-05-11 |
| FTR | 2016-01-29 | 2024-05-11 |
| FUJITSU | 2016-06-30 | 2023-06-12 |
| FUJIXEROX | 2016-07-07 | 2021-03-26 |
| FUN | 2016-11-30 | 2024-03-11 |