Y(why)
year The school year is broken up with many holidays.
yellow
Do you want the yellow paper or the white one?
yesterday
I saw him at yesterday's meeting.
yet
She was not yet sure if she could trust him.
young
He is a young person.
your
Your hands are dirty.
yours
This house is yours.
yourself
You hurt yourself if you play with the scissors.
yourselves
You can try it out for yourselves.
Z
zero
It was 5 below zero last night.
zoo
Let's go to the zoo and watch the monkeys.