бързей означава в английски

race [races]▼(fast moving current of water)
noun
[UK: reɪs] [US: ˈreɪs]

rapid [rapids]▼(section of river)
noun
[UK: ˈræ.pɪd] [US: ˈræ.pəd]

riffle▼(swift, shallow part of a stream causing broken water)
noun
[UK: ˈrɪf.l̩] [US: ˈrɪf.l̩]