8 letters
- regather12
- regelate11
- regental12
- reheater10
- relearnt10
- relegate11
- relocate12
- repartee11
- repealer12
- repeater11
- repeller13
- repenter12
- repeople15
- replacer15
- reproach16
- rerepeat11
- retrench14
- rhonchal17
- tarpaper14
- tarragon11
- teenager11
- terrella10
- thoracal14
- threaper13
- torchere13
- tracheae13
- tracheal14
- tragopan14
- trappean15
- trencher14
- trochlea14