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Of course, unless this is for research purposes, it's highly unlikely that such a list is going to be of much practical use. What were your plans were you to find such a list?
if for exampe "google" is most searched keyword , so how we can be front page for this keyword on google SERp ?
Put simply, you can't. The most searched keywords are usually closely related to particular sites, and unless you are that site, or one of it's subsidiaries, you will not be able to compete.
The essence of keyword research is to match keywords that are relevant to your site, with those that are popular with searches. If you start purely from popularity, you're unlikely to find many (if any) usable keywords. Start with relevance to your content, and work from there.
You can get your link on the front page for a keyword by paying for it. Your link will appear on the right side of the screen, under the heading "sponsored links".
The essence of keyword research is to match keywords that are relevant to your site, with those that are popular with searches. If you start purely from popularity, you're unlikely to find many (if any) usable keywords. Start with relevance to your content, and work from there.
this thread from the Keyword Discussion forum library [webmasterworld.com] has some things to think about.
the values are arguable but the elements are essentially the same.
You need some braimstorming tools, and also keyword analysis tool.
As keyword brainstorming tools I suggest:
Google Suggest
Google Top Trend
Ebay Pulse
As for free keyword tools I suggest you check out SEObook's free keyword tools list.
Anyway, there are some better tools need you buy them, before you buy, remember to compare their features, some of functions may not neccessary for you, but others may suit your needs.