leaf-book vs manuscript

leaf-book and manuscript both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf-book	Yes	No	No	No
manuscript	Yes	No	No	No

As nouns, manuscript is a hypernym of leaf-book; that is, manuscript is a word with a broader meaning than leaf-book:

leaf-book: an unbound manuscript of some ancient classic (as distinguished from a scroll)
manuscript: handwritten book or document

Other hypernyms of leaf-book include holograph.

leaf-book (noun)	manuscript (noun)
an unbound manuscript of some ancient classic (as distinguished from a scroll)	the form of a literary work submitted for publication
	handwritten book or document