re-
redo
to do something again?
To remove contents from a bag or suitcase
unpack
free from a tangled or twisted mess
untangle
Done with or showing thought and attention?
careful
Not likely to cause harm
harmless
To say again?
repeat
To loosen laces?
untie
To undo or the opposite of wound up
unwind
Very bad or unpleasant?
awful
Having no ability, influence or power?
powerless
To appear again?
reappear
To undo something using a key?
unlock
To warm up or cook again
reheat
Not the same, different from each other
unlike
No end or limit?
endless or limitless
To write something again to improve it?
rewrite
A word part meaning "not"?
un
To add numbers again
recount
A person who is full of beauty?
beautiful
No precious that a value cannot be determined
priceless
To reading a book again?
reread
Feeling no fear or anxiety?
unafraid
A fib, lie, false, not a fact, incorrect
untrue
What is a lot of, or varied color?
colorful
Absolutely clean, pure or without stain?
spotless