Yahweh (Hebrew name of God)
Yale (a college that many find inspiring)
Yin Yang (the two Taoist complementary, opposite forces that must remain in balance)
Yeah! (an expression of triumph) - see also "Yee-haw!" "Yippee!" and "Yea!"
Yore (Old English for "former times" or "long ago")
You (though it sounds simple, many politicians emphasize this word. i.e. "YOU can do it!)
Youth (Greek art was almost entirely inspired by youth)
Yum (expression of appreciation for a taste or smell)
y-axis
yummy
Yes
YELLING
Younger
Yogast
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
youthful
YoungYouthfulyoung