Keywords.TV Useful keyword tracking/search tools. It provides the following 3 tools: 1. Compare particular keywords' amount of index pages in Google, Yahoo, Msn, Ask and monthly searching volume (Overture, OVT) 2. Keywords Lookup: search the daily/monthly searching volume of keywords 3. Search the top paying keywords Enjoy!
Yeah, works only for English words, but it's useful because you can search few keywords at the same time.