What is the title of this book?
Please make sure to give your report a title.
It took a while to come up with a title for that movie.
I couldn't decide on a title for my novel for a long time.
That book's title is long and hard to remember.
題名 is a general word for the title of any work such as a book or movie, while 曲名 specifically means the title of a musical piece.
題名 is the general word for the title of a work, whereas 仮題 specifically denotes a working title used before the final one is settled.
題名 is simply the name/title of a work, whereas 題字 focuses on how that title is written or drawn, often in calligraphy.
題名 specifically means the title of a book, work, or piece, while 題 is broader and can also mean a topic or exam question.
題名 refers specifically to the title of a book, article, or creative work, while 名称 is broader and can name almost any entity or item.