13-letter words containing b, o, k, u
- mountain bike — dirt bike, off-road cycle
- mountebankery — The practices of a mountebank; quackery; boastful and vain pretenses.
- mountebanking — Present participle of mountebank.
- neurofeedback — The presentation of realtime feedback on brainwave activity, as measured by sensors on the scalp, sometimes offered as a means of therapy.
- news blackout — a situation in which a government or other authority imposes a ban on the publication of news on a particular subject
- opossum block — (in New Zealand) a block of bush allocated to a licensed opossum trapper
- overrun brake — a brake fitted to a trailer or other towed vehicle that prevents the towed vehicle travelling faster than the towing vehicle when slowing down or descending an incline
- run on a bank — A run on a bank is a situation in which borrowers are worried that the bank will fail and they all try to withdraw money at the same time.
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- smoked rubber — a type of crude natural rubber in the form of brown sheets obtained by coagulating latex with an acid, rolling it into sheets, and drying over open wood fires. It is the main raw material for natural rubber products
- stock buyback — buyback (def 3).
- troublemaking — a person who causes difficulties, distress, worry, etc., for others, especially one who does so habitually as a matter of malice.
- truck bolster — the upper transverse member of a car truck that holds the truck center plate and receives the car's weight.
- unworkability — the quality or state of being unworkable