6 letters
- regain9
- regard9
- regear8
- regina9
- regnal10
- regnum13
- rehang11
- rehear8
- rehung12
- repugn13
- reruns8
- return8
- ringer9
- ruanas8
- rugate9
- rugger11
- ruiner8
- runner9
- rurban11
- rusher9
- sangar9
- sanger9
- sauger9
- sharer8
- snarer7
- surger9
- thenar9
- turner8
- unaged11
- unbear11
- uncage13
- unhair10
- unhang13
- unread9
- unreal9
- uprear10
- urania8
- urares7
- urbane11
- urgent10
- urgers9
- vaguer13
- warner10
- warren10
- yarner9