This is the best tube related thing we’ve seen in ages. We love this site.
The classic St. Johns’ Wood is the only station not to contain any of the letters from the word ‘Mackerel’ is a long-term established tube fact, as (was recently discovered) that Woodford is the only station not to contain any letters from the word ‘Stickleback’.
We mentioned this a while ago with some other variants we know, but now there’s a site… this simple beautiful site by Ben Green which let’s you ‘Whack’ your own words to see which tube station may be the only only not to contain those letters.
TubeWhacking
And it’s not just the London Tube, but it works for the Paris Metro, German U-Bahn, and even has a ‘Wombling’ option for London, to include Overground stations too. Genius!