emarginate leaf vs leafage

emarginate leaf and leafage both are nouns.

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

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

emarginate leaf: a leaf having a notch at the apex
leafage: the main organ of photosynthesis and transpiration in higher plants

Other hypernyms of emarginate leaf include foliage, leaf.

emarginate leaf (noun)	leafage (noun)
a leaf having a notch at the apex	the main organ of photosynthesis and transpiration in higher plants