Yang
Ya
Yakni
Yaitu
Yakin
y-axis
Younger
yummy
Yogast
yhngbgh
YELLING
Yes
Yummy, yucky, yolky and yabby are some of the sweet words that start with the letter y.
Some four letter words that start with Y are:yankyardyarnyawnyeahyearyellyelpyipeyogayokeyolkyoreyouryowlyuckyuleyurt
yawning
Yodel
The answer is yes and yell.