| Solution | Length | |
|---|---|---|
| 3 letters | ||
| tat | 3 | |
| cos | 3 | |
| 4 letters | ||
| sine | 4 | |
| surd | 4 | |
| such | 4 | |
| real | 4 | |
| twin | 4 | |
| 5 letters | ||
| cosec | 5 | |
| tally | 5 | |
| prime | 5 | |
| 6 letters | ||
| steady | 6 | |
| rotary | 6 | |
| secant | 6 | |
| social | 6 | |
| sister | 6 | |
| serial | 6 | |
| public | 6 | |
| seesaw | 6 | |
| common | 6 | |
| mutual | 6 | |
| 7 letters | ||
| torture | 7 | |
| similar | 7 | |
| related | 7 | |
| pulsing | 7 | |
| radical | 7 | |
| inverse | 7 | |
| 8 letters | ||
| seasonal | 8 | |
| rhythmic | 8 | |
| punitive | 8 | |
| undulant | 8 | |
| suchlike | 8 | |
| standard | 8 | |
| rational | 8 | |
| 9 letters | ||
| INTERPLAY | 9 | |
| reflexive | 9 | |
| recurrent | 9 | |
| alternate | 9 | |
| SYMBIOTIC | 9 | |
| 10 letters | ||
| RETURNABLE | 10 | |
| RHYTHMICAL | 10 | |
| REPARATIVE | 10 | |
| SIMULACRUM | 10 | |
| soul mate | 10 | |
| TRANSPOSED | 10 | |
| tantamount | 10 | |
| SIMILITUDE | 10 | |
| 11 letters | ||
| synergistic | 11 | |
| up and down | 11 | |
| socialistic | 11 | |
| CORRELATIVE | 11 | |
| retributive | 11 | |
| retaliatory | 11 | |
| restitutive | 11 | |
| 12 letters | ||
| interchanged | 12 | |
| proportional | 12 | |
| 14 letters | ||
| TRANSCENDENTAL | 14 | |
| 15 letters | ||
| INTERCHANGEABLE | 15 | |
| interdependence | 15 | |