A language/library designer shouldn't have to think of "all of the short or otherwise possibly overloaded nouns and verbs people might like to use, ever." Being able to say you are going to do a 'sum' which means X in this particular context is very powerful.
In this specific case, what's needed is more abstraction. Consider the approach Haskell takes:
In this specific case, what's needed is more abstraction. Consider the approach Haskell takes:
http://www.haskell.org/ghc/docs/latest/html/libraries/base/D...