parted leaf vs leafage

parted leaf and leafage both are nouns.

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

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

parted leaf: a leaf having margins incised almost to the base so as to create distinct divisions or lobes
leafage: the main organ of photosynthesis and transpiration in higher plants

Other hypernyms of parted leaf include foliage, leaf.

parted leaf (noun)	leafage (noun)
a leaf having margins incised almost to the base so as to create distinct divisions or lobes	the main organ of photosynthesis and transpiration in higher plants