The term 'British Alphabet Ender' refers to the letters at the end of the British alphabet. The solutions to this crossword are ZED (3 letters), ZEDS (4 letters), OGHAM (5 letters), ZULU (4 letters), OMEGA (5 letters), and ZEE (3 letters). ZED is the last letter of the British alphabet, while ZEDS is the plural form of ZED. OGHAM is an ancient Irish alphabet, and ZULU is a language spoken in South Africa. OMEGA is the last letter of the Greek alphabet, and ZEE is an alternate spelling of ZED.