Anagrams are pairs of words that are formed by rearranging the letters of one word to make the other.
United and untied
God and dog
Flow and wolf
Cheater and teacher
Break and baker
Rebuild and builder
Treason and senator
Thicken and kitchen
"My name is only an anagram of toilets."
"A thin man ran; makes a large stride, left planet, pins flag on moon! On to Mars!"
(for Neil Armstrong's "That's one small step for a man, one giant leap for mankind")