Always been a pet peeve of mine,
not that it matters in the big view of thing, using the wrong word even if it does sound like (or near enough) the right word. Words that sound alike are homonyms (sp) I believe.
The three I see most abused are; There, Their and They're. Admittedly the last is a contraction made up of two words but it does sound the same. The difference is;
Words That Sound Alike... Or Look Alike.

The three I see most abused are; There, Their and They're. Admittedly the last is a contraction made up of two words but it does sound the same. The difference is;
- There-Denotes location in most instances (over there, up there, out there)
- Their...
Words That Sound Alike... Or Look Alike.