5 letters
- oaths7
- obias8
- ocean9
- ocher10
- ochre10
- ochry12
- ocrea8
- octan9
- ogams10
- ogham12
- ohias7
- ohing10
- ohmic13
- oinks10
- okras9
- omasa8
- omens9
- omers8
- omits8
- onces9
- onium10
- ontic9
- opahs10
- opsin9
- orach10
- orals6
- orang8
- orcas8
- orcin9
- organ8
- orgic10
- ornis6
- orpin9
- orris5
- osier5
- osmic11
- ossia5
- ostia5
- oxims15
- pacas11
- pacha13
- pains9
- pairs8
- paisa8
- panic12
- paras8
- parch13
- paris8
- pasha10
- phons11
- piano9
- pians9
- picas11
- pimas11
- pinas9
- pinch14
- pions9
- pirns9
- pisco11
- poach13
- porch13
- porns9
- praam11
- prams11
- praos8
- prima11
- primo11
- prims11
- prion9
- prism11
- proas8
- proms11
- psoai8
- rabic11
- races8
- racks12
- racon9
- radio6
- radon7
- ragas7
- ragis7
- raias5
- raids6
- rails6
- rains6
- rainy8
- raise5
- rajah16
- rajas14
- rakis9
- ramen9
- ramie8
- ramps11
- ramus9
- rance9
- ranch11
- rands7
- ranid7
- ranis6
- ranks10
- rants6
- ratan6
- ratch10
- ratio5
- ratos5
- ravin10
- rawin9
- rayah9
- rayas7
- rayon8
- reach10
- reams8
- recon9
- reins6
- reman9
- resin6
- rheas7
- rhino8
- rhomb13
- rials6
- riant6
- riata5
- rices8
- ricin9
- ricks12
- rimes8
- rinds7
- rings8
- rinks10
- rinse6
- rioja14
- riots5
- risen6
- rishi7
- roach10
- roads6
- roams8
- roans6
- roars5
- roast5
- robin9
- rocks12
- roils6
- roman9
- romps11
- rooms8
- rosin6
- rotas5
- rotch10
- rotis5
- rowan9
- ruana7
- ruins7
- runic10
- sabin9
- sabir8
- sabra8
- sacra8
- sahib10
- saice8
- saiga7
- sains6
- saint6
- saith7
- salic9
- salmi9
- salon7
- samba11
- sambo11
- saner6
- sanga8
- sangh10
- santo6
- sapor8
- saran6
- sarin6
- saris5
- sarod6
- saros5
- sasin6
- satin6
- sauch11
- sauna7
- savin10
- savor9
- scamp14
- scams11
- scans9
- scant9
- scare8
- scarf11
- scarp11
- scars8
- scart8
- scary10
- scaur9
- scena9
- schav14
- schmo13
- schwa13