leaf vs sheet of paper

leaf and sheet of paper both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf	Yes	No	Yes	No
sheet of paper	Yes	No	No	No

As nouns, sheet of paper is a hypernym of leaf; that is, sheet of paper is a word with a broader meaning than leaf:

leaf: a sheet of any written or printed material (especially in a manuscript or book)
sheet of paper: paper used for writing or printing

Other hypernyms of leaf include piece of paper, sheet.

leaf (noun)	sheet of paper (noun)
hinged or detachable flat section (as of a table or door)	paper used for writing or printing
a sheet of any written or printed material (especially in a manuscript or book)
the main organ of photosynthesis and transpiration in higher plants

leaf (verb)	sheet of paper (verb)
produce leaves, of plants
turn over pages
look through a book or other written material