The word 'mile' is derived from the Latin word for 1,000 - the number of paces it took the average Roman!
6
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
A “butt” was a Medieval unit of measure for wine. Technically, a 'buttload' of wine is about 475 liters, or 126 gallons.
10
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
The word "listen" contains the same letters as "silent."
135
The word 'mortgage' comes from a French law term that means 'death pledge'.
14