How are repetition repetition and replication alike and different

first, you have to know the meaning of each one:

Repetition is the same thing appears twice or repeat more times. and replication creates something which is the same as something else.

The repetition and replication are alike because both of them mean repeating and be the same.

and they are different because repetition occurs when other people do it in different ways or tools. and replication occurs when someone doing the exact same way other person did.