This is the 14134th most frequent Spanish word.
titula
"Titula" means "titles" or "is titled" depending on the context.
Here, 'titula' is used as a reflexive verb indicating the title of the book, showing its identification.
El libro se titula 'Cien años de soledad'.
The book is titled 'One Hundred Years of Solitude'.
In this sentence, 'titula' is used reflexively in the context of someone attaining a formal title or degree.
Ella se titula como ingeniera civil el próximo mes.
She will graduate as a civil engineer next month.
Here, 'titula' again describes the title of a work of art, in this case, a movie, functioning as a descriptor of its identity.