Spell-checker

A spell-checker is a computer program for finding and possibly correcting misspelled words in a text. It traverses the text and usually compares each word with the contents a dictionary. Various algorithms are often utilised to deal with common suffix variations in words.

Spell checkers are not a panacea, since they sometimes do not catch misused homonyms and sometimes wrongly mark correctly spelled foreign or obscure words as being incorrect.

Most word processing programs come with a spell-checker.