Yes, for a start, yule (as in yule log)
Some Christmas words beginning with the letter Y:YuleYuletideYams youngsters laughingyards of garlandyakking with relativesyeasty stollensyews with twinkling lightsyesteryear memoriesyearning for homeyummy eatsyippee
· unwrap
Pax
Some four letter words beginning with Y are:yardyarnyawnyearyellyelpyokeyolkyouryurt
Yodeling.
yuletide carol
Yule Yule-tide Yule logs.
· yappy
Very few words in English have the letter Y as an initial vowel. Examples include the archaic word "yclept" and the element yttrium.
Anxiety
Yoeman
yon