Good fall back languages for English would be any of the Germanic languages
or Romance languages.
As a native American, I also would agree with this article's listing of
languages that are more easily understood by my brain:
1. Afrikaans
2. Danish
3. French
4. Italian
5. Norwegian
etc.
9 easy languages for English Speakers.
https://matadornetwork.com/abroad/9-easy-languages-for-english-speakers-to-…
-Thad
+ThadGuidry <https://www.google.com/+ThadGuidry>