This is the 8507th most frequent Spanish word.
richard
"Richard" is not a Spanish word; it is a proper noun, a name.
In this sentence, 'Richard' is used as a proper noun to refer to a specific person, presumably a male individual with that name.
Richard estudió ingeniería en la universidad.
Richard studied engineering at the university.
Here, 'Richard' is utilized as a surname, indicating the familial name of a person.
El apellido del famoso científico es Richard.
The last name of the famous scientist is Richard.
In this example, 'Richard' appears in a title of a work, implying it's the name of a character or subject within the book.