Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
Anuptaphobia is the fear of staying single.
11
Stressed is Desserts spelled backwards.
130
Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
125
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