tinySpell is a small utility that allows you to easily and quickly check the spelling of words in any Windows application.
tinySpell can watch your typing on the fly and alert you whenever it detects a misspelled word. It can also check the spelling of every word you copy to the clipboard.
tinySpell installs itself in the system tray for easy access. It comes with an American-English dictionary containing more than 110,000 words.