It depends on which edition of Webster's dictionary you are looking at and if you have one your teacher gave you look for word counts.
Zulu
That depends on the edition you have. Most with dust jackets will show how many words they contain on it. Actually there is 988,968 words in it but it really does depend on the edition that you have.
Alphabetically.
Zero, nada, zilch. I have 2 sets.