| Solution | Length | |
|---|---|---|
| 3 letters | ||
| rat | 3 | |
| 4 letters | ||
| gere | 4 | |
| lyne | 4 | |
| 5 letters | ||
| false | 5 | |
| 6 letters | ||
| fickle | 6 | |
| untrue | 6 | |
| 7 letters | ||
| unloyal | 7 | |
| 8 letters | ||
| atheists | 8 | |
| faithful | 8 | |
| apostate | 8 | |
| recreant | 8 | |
| disloyal | 8 | |
| 9 letters | ||
| two-timer | 9 | |
| seditious | 9 | |
| 10 letters | ||
| infidelity | 10 | |
| adulterous | 10 | |
| inconstant | 10 | |
| UNRELIABLE | 10 | |
| traitorous | 10 | |
| 11 letters | ||
| promiscuous | 11 | |
| treacherous | 11 | |
| uncompliant | 11 | |
| unsteadfast | 11 | |
| UNOBSERVANT | 11 | |
| 13 letters | ||
| cheatingheart | 13 | |