Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
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The word "impossible" dropped in use by 50% over the course of the 20th century
5
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
Shakespeare invented over 1,700 words that we use today.
17
"Stewardesses" is the longest word that is typed with only the left hand.
384
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
The word "listen" contains the same letters as "silent."
135