I've been playing around with some DataBase scripts and compiled this list... If you find it useful, COOL!
This is an xls file zipped... it contains the top 50,000 EXACT MATCH keywords for "porn", based on historical data. Before you complain that it's not accurate compared to the adwords tool, like I said its HISTORIC data. Adwords data is current or past month.
I use this data for numerous things, mostly main-stream stuff, but it's useful for SEO and domain hunting. I have over 500 million keyword metrics in my DB. So, if you need custom shit, let me know
Here's the link:
Top 50,000 Porn Keywords