Why is dogmeat just called dog?

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Tags

1. #reveals
2. #quest
3. #murphy
4. #during
5. #getting
6. #named
7. #speaks
8. #shepherd
9. #calls
10. #valentine
11. #living
12. #freedom
13. #about
14. #dogmeat
15. #until
16. #german
17. #commonwealth
18. #survivor