Fifteener vs. Incunabulum

Fifteenernoun

A film assigned an age rating of 15, those under 15 not being permitted to view it.

Incunabulumnoun

(printing) A book, single sheet, or image that was printed before the year 1501 in Europe.

Fifteenernoun

A book printed in the 15th century.

Incunabulumnoun

The cradle, birthplace, or origin of something.

Incunabulumnoun

A work of art or of human industry, of an early epoch; especially, a book printed before a. d. 1500.