Exchanged, replaced, traded, switched, returned, altered, qualified, moved, adapted, adjusted, transformed...
It means different.
Another five-letter word for 'change' is 'alter.'
Change, specifically change from one thing into another.
change 'e' and you get noon
alter
Reconsidered had a change of heart
morph
Another name would be to change the outcome or to change time.
an anagram is a word formed from another by scrambling the letters.
Edit
nickel
Obfuscation
Yes.