5 letters
- jiber17
- kauri10
- kebar12
- knaur11
- krubi13
- learn7
- liane7
- liber9
- libra9
- linen8
- liner7
- lunar8
- mbira11
- minae9
- miner9
- nabes9
- nabis9
- nacre9
- nadir7
- naevi10
- naira6
- naive10
- namer9
- nance10
- nares6
- naric9
- naris6
- nears6
- nicer9
- nines7
- ninja16
- niter6
- nitre6
- noria6
- nubia10
- nuder8
- nudie8
- numen11
- nurse7
- ourie6
- panne10
- pareu9
- penna10
- penni10
- pinna10
- prune10
- purin10
- quare15
- quean16
- quern16
- quire15
- rabbi11
- rabic11
- rabid9
- rains6
- rainy8
- raise5
- ramen9
- ramie8
- rance9
- ranee6
- range8
- ranid7
- ranis6
- raven10
- ravin10
- rawin9
- rebar8
- rebid9
- rebus9
- rebut9
- rebuy11
- redan7
- redia6
- redub10
- regna8
- rehab10
- reign8
- reink10
- reins6
- reman9
- renal7
- renig8
- renin7
- repin9
- reran6
- rerun7
- resin6
- retia5
- rewan9
- rewin9
- riant6
- ribes8
- rinse6
- ripen9
- risen6
- riven10
- robin9
- rouen7
- ruana7
- rubes9
- ruble10
- rugae8
- ruing9
- ruins7
- rumba12
- rumen10
- runes7
- runic10
- runny10
- rutin7
- saber8
- sabin9
- sabir8
- sabre8
- saner6
- sarin6
- senna7
- serai5
- serin6
- sieur6
- siren6
- snare6
- suber9
- sunna8
- taber8
- tabun10
- tenia6
- terai5
- tinea6
- train6
- tribe8
- trine6
- tubae9
- tuber9
- tuner7
- ulnae8
- ulnar8
- umber12
- umbra12
- unais7
- unarm10
- unary9
- unban11
- unbar10
- unbid11
- uncia10
- under8
- union8
- unite7
- unman11
- unpen11
- unpin11
- unrig9
- unrip10
- untie7
- uraei6
- urare6
- urari6
- urase6
- urate6
- urban10
- urbia9
- ureal7
- ureas6
- ureic9
- urial7
- urine7
- ursae6
- usnea7
- uteri6
- venin11
- xenia13
- yearn8
- yerba10
- zaire14
- zebra17
- zineb18