· youthful
A bright and cheerful word starting with Y is yellow; a very important word starting with Y is you.
yummy
youngster
What is the word that describes a Shetland sheepdog that starts with an X
young yobbish
· youthful
academia
realisticreliablerespectful
atypical
· arid
· yearning
a four letter word starting with Y could be: Yolk (as in an egg yolk) Yack Yarn Yawn York