Sometimes if you have a blog or social media site for user-submitted articles - where readers contribute - just a synonym for a certain word in the comments section will boost your SERP visibility for that word.
I have had experience of this. Although I can understand where the peculiar search term is coming from I am unsure why it is ranked so highly. But the forum software that I use (forumserver) is a strongly linked keyword to my site and also one of the most searched terms using the search bar on the site.
Yes it will happens with the keyword which is regarding from your site or cpanel of your it index by the Google or some people who see the hosting regrading to this word and it is only available in your site or any other software it will co- related with your site and index your site to that keyword.And that is benefit for you