15-letter words containing b, u, s, t, p
- suboptimization — a situation which is less than optimal
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subreptitiously — in a subreptitious manner
- substratosphere — the upper troposphere.
- superabundantly — very or too abundantly
- superbureaucrat — an important or highly powerful bureaucrat
- suppressibility — the capacity to be suppressed
- the black stump — an imaginary marker of the extent of civilization (esp in the phrase beyond the black stump)