leaf vs leaf shape

leaf and leaf shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf	Yes	No	Yes	No
leaf shape	Yes	No	No	No

leaf (noun)	leaf shape (noun)
hinged or detachable flat section (as of a table or door)	any of the various shape that leaves of plants can assume
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)	leaf shape (verb)
produce leaves, of plants
turn over pages
look through a book or other written material