The essential companion for anyone whose buiness is words. The Cassell Spelling Dictionarz eliminates confusion about the way to spell tricky and not so tricky words: ideal for use in schools, homes and offices.

It is a word-list vocabulary which includes technical words, slang words and foreign words in common use. American spellings are identified clearly in italics.
All derived forms are given in full: refer, referable, reference, referred, referring, refers.
Capsule definitons to distinguish confusable words such as principal and principle.
Guidance notes on spelling rules, common exeptions and frequent sources of error.