This is useless without sorting by popularity and seeing the popularity numbers.
I don't see how "keyword length" or "word count" are of any importance.
As a new HN user myself, I'm curious of this post would fall under "spam" on HN? If you look at OP's account they have only made two posts, both linking to this site.
you have a very bad understanding of this site.
you can export keyword to csv to sort by keyword count and word count
also you can upload exported keywords to Adwords Keyword Planner to get popularity.