12-letter words containing b, u, n, f, o
- unmodifiable — incapable of being modified
- unobfuscated — to confuse, bewilder, or stupefy.
- unoffendable — to err in conduct; commit a sin, crime, or fault.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unreformable — not able to be reformed or reclaimed
- urban forest — the trees and plants within a city.