Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
The word "impossible" dropped in use by 50% over the course of the 20th century
5
Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
125
Anuptaphobia is the fear of staying single.
11
The technical term for a cat’s hairball is a “bezoar.”
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The word 'mile' is derived from the Latin word for 1,000 - the number of paces it took the average Roman!
6
A group of pugs is called a grumble.
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A group of ferrets is called a business.
6