The spell check feature on computers often misses the correct spelling used in a sentence if the word is a homonym.
We all know that spell checkers aren’t much help in catching homonyms. English speakers are still expected to discern the difference between pear, pare, and pair by drawing on what they should have learned in school.
Some words, however, have no sound-alikes. Spell checkers do a great job of flagging one-of-a-kind words like tragedy, definitely, Wednesday, February, separate, argument, calendar, and truly. Some applications even go so far as to change the spelling without any need for human input—a feature I find especially irritating when I want to misspell a word on purpose. Read more.