With Research pane you can: find synonyms (a word that means essentially the same thing as the word it replaces) and antonyms (a word that means the opposite of the selected word), while Word's thesaurus primarily finds synonyms; search words in public dictionaries (e.g., Encarta World Dictionary); translate words and texts.read more...
Sometimes you need to skip parts of the document during a spell check. E.g., memos and letters can have headings and address blocks with names and other text that slow down the spell checker. Blocks of programming code or foreign words should not be checked for spelling too.
Also you may need to quote words and phrases with mistakes.read more...
