5 letters
- regal8
- regna8
- reign8
- relic9
- relit6
- renal7
- renig8
- retag7
- retia5
- riant6
- ruble10
- rugae8
- rugal9
- ruing9
- runic10
- rutin7
- taber8
- table9
- tabun10
- taler6
- targe7
- tegua8
- telia6
- telic9
- tenia6
- terai5
- terga7
- tical9
- tiger7
- tiler6
- tinea6
- tinge8
- trace8
- tragi7
- trail6
- train6
- triac8
- trial6
- tribe8
- trice8
- trine6
- truce9
- tubae9
- tubal10
- tuber9
- tuner7
- tunic10
- ulcer10
- ulnae8
- ulnar8
- ultra7
- unbar10
- uncia10
- uncle11
- uncut11
- unite7
- unlet8
- unlit8
- unrig9
- untie7
- until8
- uraei6
- urate6
- urban10
- urbia9
- ureal7
- ureic9
- urial7
- urine7
- uteri6
- utile7