The word "impossible" dropped in use by 50% over the course of the 20th century
5
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
The word 'mortgage' comes from a French law term that means 'death pledge'.
14
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
125
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