Quiz.
Zebra
showbiz
hertz
oyez, soyuz
There are no words that contain a Z that also end in J
Some words that start with Z and end in A are:Zambiazebrazetazinniazoysia
Zoner
Up ends in P but I don't know any for Z
There are words that end with z and begin with most letters. However, there are no words in the English language that begin with y and end with z.
There is no word in the English language that starts with Y and ends with Z.
There are no English words that meet the criteria.