behaviour

behaviour (usually uncountable, plural behaviours)

1. British standard spelling of behavior.
   • 1960 December, “Talking of Trains: The riding of B.R. coaches”, in Trains Illustrated, pages 705–706:

     After all, it is undeniable that the B.R. standard coach scored highly in comparative trials with other European railway vehicles on the Continent a few years ago, so that B.R. civil engineers must share responsibility for any defects in its behaviour over here.