holograph vs leaf-book

holograph and leaf-book both are nouns.

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

As nouns, leaf-book is a hyponym of holograph; that is, leaf-book is a word with a more specific, narrower meaning than holograph:

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

Other hyponyms of holograph include codex, palimpsest, roll, scroll.

holograph (noun)	leaf-book (noun)
the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography	an unbound manuscript of some ancient classic (as distinguished from a scroll)
handwritten book or document