What is another word for u-boot?
Pronunciation: [jˈuːbˈuːt] (IPA) 
U-boot is a German term that is used to refer to a submarine. However, there are several synonyms that can be used instead of this term. One of the most common synonyms is sub or submarine. Other synonyms include submersible, subaqueous, and subaqueous vessel. Additionally, marine scientists and submariners may use terms such as bathyscape, deep-sea vessel, or underwater craft to describe a U-boot. Whether you are interested in naval history, marine exploration, or undersea warfare, it is useful to know the various synonyms that are associated with submarines, including the German term U-boot.
