Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
The name Wendy was made up for the book Peter Pan.
101
Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
125
The word "impossible" dropped in use by 50% over the course of the 20th century
5
In Denmark, "Fart-kontrol" means "Speed check".
9
Hoover vacuum cleaners were so popular in the UK that many people now refer to vacuuming as hoovering.
59
The word 'Indiana' is Native American for 'Land of the Indians', yet less than 16,000 Native Americans live there.
25
The word "listen" contains the same letters as "silent."
135