[Lundmark]

wordtracker.com är ganska bra på det.

--------------------------------------------------------------------------------
Our current database contains 345,836,217 search terms
and represents the complete queries from the largest
metacrawlers on the web (Metacrawler/Dogpile etc.) for the
last 60 days (2 months).


Nos. Count Keyword
===========================================
1 302966 sex
2 225620 porn
3 183624 pussy
4 141514 google
5 130414 ebay
6 128080 tits
7 121648 hentai
8 120520 yahoo
9 115379 boobs
10 102071 milf
11 101694 paris hilton
12 99866 health
13 97178 jokes
14 88698 free porn
15 85461 nude
16 80457 girls
17 75322 mapquest
18 73855 yahoo.com
19 71273 games
20 68648 thong
21 68098 dictionary
22 67177 penis
23 66686 britney spears
24 66442 jenna jameson
25 62891 playboy
26 61505 lesbians
27 61188 vagina
28 59235 blowjob
29 59018 naked
30 58652 search engines
------------------------------------------------------------------------