chiefly
81armoury — chiefly British variant of armory …
82artefact — chiefly British variant of artifact …
83axiomatisation — chiefly British variant of axiomatization …
84baulk — chiefly British variant of balk …
85behaviour — chiefly British variant of behavior …
86behaviourism — chiefly British variant of behaviorism …
87behaviourist — chiefly British variant of behaviorist …
88behove — chiefly British variant of behoove …
89belabour — chiefly British variant of belabor …
90brung — chiefly dialect past and past participle of bring …