"you" is not a letter -- it is a word! "U" is a letter and the word "uniform" is a school-related word that matches your question.
Water related words that star with Y is a yacht on the Yangtze River.
Words beginning with the letter A that have ghostly meanings include:apparitionapparitions
not that related and the words are- lithosphere hydrosphere atmosphere
four letter words beginning wih d are: Dart
Some three letter words beginning with D are:diddogdoediedendindabduodotdigdrydye
Some five letter words beginning with F are:favorfirstfaithfilthfloorflameflukeframefrailforgefurorflood
Some six letter words beginning with e are:eatingerodesearwigearwaxelopedeitherextortexertsemesisemulgeeponymeagletearfulequate
· Yemen
Xavier (pronounced Zay-vee-urr) is a boys name
3 letter words that begin with the letter a:aceactaddageaidaimairaleallalpampandantanyapeaptarcarearmartaskateaweaxe
5 letter words beginning with g ending with L:grillgrowl