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 "listen" contains the same letters as "silent."
135
A group of ferrets is called a business.
6
"Stewardesses" is the longest word that is typed with only the left hand.
384