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
"Stewardesses" is the longest word that is typed with only the left hand.
384
There are only four words in the English language which end in “dous”:
tremendous, horrendous, stupendous, and hazardous.
tremendous, horrendous, stupendous, and hazardous.
175
A group of ferrets is called a business.
6