5 letters
- raphe10
- ratch10
- rathe7
- reach10
- react8
- recap11
- recta8
- recur9
- recut9
- rehab10
- retch10
- rheas7
- rheum11
- roach10
- ruche11
- ruffe12
- ruffs12
- rugae8
- safer8
- sauce9
- sauch11
- scare8
- scarf11
- scaur9
- scuff15
- scurf12
- serac8
- share7
- sheaf10
- shear7
- sucre9
- surah8
- tache10
- teach10
- teuch11
- theca10
- trace8
- truce9
- ulcer10
- uraei6
- urare6
- urase6
- urate6
- ureal7
- ureas6
- ureic9
- ursae6
- usher8
- wafer11
- wharf13