What words are spelled differently US and UK?

The difference is most common for words ending -bre or -tre: British spellings calibre, centre, fibre, goitre, litre, lustre, manoeuvre, meagre, metre, mitre, nitre, ochre, reconnoitre, sabre, saltpetre, sepulchre, sombre, spectre, theatre (see exceptions) and titre all have -er in American spelling.

Is British English S or Z?

One of the first things I do when I receive a text to edit is ask the client which language variant they want to me to follow: American English or British English.

Why do British add u to words?

A London court called the Old Bailey ruled in the 17th century that -our endings were the correct British spelling. It became commonly accepted in Britain that in cases where an English suffix or suffixes of Greek or Latin origins are attached, the u is kept. This is demonstrated in the word neighbourhood.