9-letter words containing b, o, u, n, t
- undoubted — not called in question; accepted as beyond doubt; undisputed.
- unnotable — worthy of note or notice; noteworthy: a notable success; a notable theory.
- unpotable — fit or suitable for drinking: potable water.
- westbound — proceeding or headed west.
- zorbonaut — a person who engages in the activity of zorbing