Wales

avoid “principality”

wars

Crimean War; First World War; Second World War; Gulf War (1991); Iraq War (2003); the two world wars

watchdog

webpage, website

websites

no need to include http:// when giving web addresses

weight

in kilogrammes

welfare state

wellbeing

Welsh Assembly

cap up even though official name is National Assembly for Wales

wheelchair

say, if relevant, that someone uses a wheelchair but avoid “wheelchair-bound” or “in a wheelchair”

which/that

see that/which

while

not whilst

whistleblower

woman, women

not lady, ladies

World Health Organization

uses American spelling of organisation

workplace

workshop