“between” vs “among”
I know the word "between" is used when we are concerned with two things. But can it be used with more than two things?
According to OED, between usually involves only two limits, but when boundaries are concerned, there may be more than two limits. For e.g.,
Yes, sometimes you do (and must) use between for more than two things alone. In these places, you cannot swap in among, or it will sound wrong.
For example, between can be used with several points of geography:
It can also be used with people, as in:
As you see, one cannot substitute in among for between in those examples, even though three things are involved in both cases.