leaf vs emarginate leaf

leaf and emarginate leaf both are nouns.

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

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

leaf (noun)	emarginate leaf (noun)
hinged or detachable flat section (as of a table or door)	a leaf having a notch at the apex
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)	emarginate leaf (verb)
produce leaves, of plants
turn over pages
look through a book or other written material