alteration
a change or modification
Root
- alter: other, change, or make different
Other words with the alter root
- adulterate: to corrupt, debase, or make impure by adding something inferior
- adulteration: act of making something impure by adding inferior material
- alter: to change or make different
- alternate: to switch back and forth; every other one
- alternative: another possible choice
- altruism: selfless concern for the welfare of others
- altruistic: showing selfless concern for others
Alter gives other. An alteration makes something other than it was.
A small alteration in wording made the question much clearer.
Alteration is change with a before-and-after feel. The thing remains recognizable, but some part has been made other.