Forum Moderators: DixonJones
Women would tend to use more descriptive phrases to start with.
Men would be straight to the point
Children may have spelling mistakes more often.
At the risk of incuring a serious flame a lady may search for "buy pretty new automobile" and a man "automobile sales" :)
I think the above was the closest - referring sites, however, gender self-indentification can throw that as well or just pure interests.
I mean one would think (no offense) that cooking classes back in the day would consist of mainly females, however my class was 50/50 (signed up to meet girls or just liked cooking?)
One other source - do you buy lists? If so, you might be able to use that as a sample and apply that good old statistical analysis.