5 letters
- frons9
- frore8
- furan10
- furor9
- icons9
- incur10
- incus10
- infer9
- infos9
- infra9
- inure7
- irone6
- irons6
- nabes9
- nabis9
- nacre9
- naifs9
- narco9
- narcs9
- nares6
- naric9
- naris6
- nears6
- neifs9
- nicer9
- noirs6
- noise6
- noose6
- noria6
- noris6
- nubia10
- nurse7
- obias8
- oboes8
- ocean9
- ocrea8
- onces9
- oorie5
- orcas8
- orcin9
- ornis6
- orris5
- osier5
- ounce10
- ourie6
- rabic11
- racer8
- races8
- racon9
- rains6
- raise5
- rance9
- ranis6
- rares5
- raser5
- rears5
- rebar8
- rebus9
- recon9
- recur9
- reifs8
- reins6
- reran6
- rerun7
- resin6
- ribes8
- ricer8
- rices8
- rifer8
- rinse6
- risen6
- riser5
- roans6
- roars5
- robes8
- robin9
- roofs8
- roose5
- rosin6
- rouen7
- roues6
- rouse6
- rubes9
- ruers6
- ruins7
- runes7
- runic10
- saber8
- sabin9
- sabir8
- sabre8
- safer8
- saice8
- saner6
- sarin6
- sauce9
- scare8
- scarf11
- scaur9
- scena9
- scion9
- scone9
- score8
- scorn9
- scour9
- scrub12
- scuba12
- scurf12
- senor6
- serac8
- serai5
- serif8
- serin6
- sieur6
- since9
- siren6
- sirra5
- snafu10
- snare6
- snore6
- sober8
- sofar8
- sonar6
- sonic9
- sorer5
- suber9
- sucre9
- surer6
- surra6
- unais7
- unbar10
- uncia10
- uncos10
- uraei6
- urare6
- urari6
- urase6
- urban10
- urbia9
- ureas6
- ureic9
- urine7
- ursae6
- usnea7