Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
A group of pugs is called a grumble.
10
Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
125
The technical term for a cat’s hairball is a “bezoar.”
117
The words ‘racecar,’ ‘kayak’ and ‘level’ are the same whether
they are read left to right or right to left (palindromes).
they are read left to right or right to left (palindromes).
120