Homonym: u (You)
The letter "u" is the 21st letter of the English alphabet. It is a vowel and can represent different sounds, such as the long sound in unicorn and the short sound in cup. In phonetics, it is often associated with the sound /juː/ or /ʌ/.
In addition to its role in language, "u" is also used in various contexts, such as in mathematics to represent a variable or in chemistry to denote the element uranium. The letter is commonly found in many words, contributing to the richness of the English language.