I think "Jump" is just using your legs to throw yourself in the air, and bounce is just a smaller version of jump, if that makes any sense.
Answer:
German has more reflexive verbs/harder words to pronounce than English, but it's identical. Also, the use of reflexive pronouns is optional in English. However, in German, some verbs always require reflexive pronouns.
Explanation:
Letter B...................
The Aztecs spoke in the Nahua language.