WordCount

[Cadaverous Pallor]

Ranks words. (http://www.wordcount.org/main.php)

It also ranks proper nouns and all kinds of other words you'd never guess were popular. Fun!

[Cadaverous Pallor]

WAIT! Finally figured out that this is definitely not based on American English. (search for "color", then "colour"...)

[JWBear]

If you click the "About Wordcount" link on the page, you'll see that it is based on British texts.

[Alex]

Google isn't in it. It fails. Must be the most popular words of ye olden tymes.

[lashbear]

But... I use "Conquistadore" almost every day !!

(Oh, and Bacon is ranked at #5441 )