It's called an anagram.
palindrome
The letter is the word "small" can be rearranged in 60 different ways.
The nine letters in chocolate can be rearranged in 362,880 different ways.
This word rearranged is PARAKEET.
Taste
Gnu=gun. A gnu is also called a wildebeeste.
The word βdreadβ rearranged to mean a poisonous snake is: adder.
Ticks
The word taste can be rearranged to form the word state.
rdhoc (get it)
Renew
The rearranging of atoms to form new combinations is called "chemical reaction", and the "new combinations" are called "compounds.