5 letters
- ramie8
- ramps11
- ramus9
- rands7
- ranid7
- ranis6
- ranks10
- rants6
- ratan6
- ravin10
- rawin9
- rayas7
- reams8
- reins6
- reman9
- resin6
- rials6
- riant6
- riata5
- rimes8
- rinds7
- rings8
- rinks10
- rinse6
- rioja14
- risen6
- risus6
- roams8
- roans6
- roman9
- rosin6
- ruana7
- ruing9
- ruins7
- rumba12
- rumen10
- rumps12
- runes7
- rungs9
- runic10
- runts7
- rutin7
- sabin9
- sabir8
- sabra8
- sacra8
- sagum11
- saiga7
- sains6
- saint6
- sajou15
- salmi9
- samba11
- saner6
- sanga8
- saran6
- sarin6
- saris5
- sasin6
- satin6
- sauna7
- saury8
- savin10
- scaur9
- scram11
- scrim11
- scrum12
- serai5
- serin6
- serum9
- sharn8
- sieur6
- sigma10
- simar8
- simas8
- sinus7
- siren6
- sirra5
- sirup9
- sitar5
- sizar14
- slain7
- smarm11
- smart8
- smear8
- smirk12
- snafu10
- snail7
- snare6
- snark10
- snarl7
- sonar6
- spurn10
- stain6
- stair5
- stria5
- strum9
- sugar8
- suing9
- suint7
- sumac12
- summa12
- sunna8
- supra9
- surah8
- sural7
- suras6
- surra6
- sutra6
- swain9
- swami11
- swarm11
- tains6
- tamis8
- tarns6
- tarsi5
- tiara5
- train6
- trams8
- trans6
- trims8
- tunas7
- turns7
- ulama10
- ulans8
- ulnar8
- ulnas8
- umbra12
- umiac12
- umiak13
- umiaq18
- unais7
- unarm10
- unary9
- unaus8
- unbar10
- uncia10
- units7
- unjam19
- unman11
- unmix17
- unrig9
- unrip10
- unsay9
- uraei6
- urari6
- urase6
- urban10
- urbia9
- ureas6
- urial7
- urine7
- ursae6
- using9
- usnea7
- vairs9
- varas9
- varia9
- varna10
- varus10
- vinas10
- virus10
- wains9
- wairs8
- wamus12
- warms11
- warns9
- yamun12
- yarns8
- yuans9
- zamia17
- ziram17