Since this is showing a relationship between the words (in this case the relationship is showing words that mean the same thing) , you would complete this statement my saying something like: Loud is to noisy as change is to transformation (since transformation is a synonym to change) or Loud is to noisy as change is to modification
Now days NASA has been evolving and making new ways to keep our astronauts safe in space however we sometimes might wonder is space traveling really safe after all?
