Zach or Zack, or I suppose just Zac.
You can shorten the name Zachary to Zach.
One way to shorten the name Louise is to use a nickname like Lou or Lulu.
Zachary in Hawaiian is "Kakali."
The verb of short is shorten. As in "to shorten something".
In French, Zachary is spelled "Zacharie."
The name "Zach" does not have a direct equivalent in Polish, but you could use the name "Zachary" which is spelled "Zachariasz" in Polish.
Bill Shorten's birth name is William Richard Shorten.
Chick Shorten's birth name is Charles Henry Shorten.
Patricia Shorten's birth name is Patricia Shelley Shorten.
Zachary Hartwell's birth name is Zachary Hartwell.
Zachary Best's birth name is Zackary, Paul Best.
Zachary Mabry's birth name is Zachary Vee Mabry.
Zachary Levi's birth name is Zachary Levi Pugh.
Zachary Lapierre's birth name is Zachary David Lapierre.
Zachary Selig's birth name is Zachary Jay Selig.
Zachary Rynew's birth name is Zachary David Rynew.
Zachary Urbina's birth name is Zachary Chester Urbina.
Zachary Koretz's birth name is Zachary Aaron Koretz.