One word, two words or a hyphen?

Some words can be written either as a single word or hyphenated. Others frequently appear incorrectly.

Below is a guide to the correct version of some common examples:

• High Town
• antisocial
• bypass
• online
• email
• website
• headteacher
• playscheme
• fundraising
• co-ordinated
• co-opt
• by-election
• by-law
• two-bedroom house, or the house has two bedrooms
• per cent