cataphyll vs foliage

cataphyll and foliage both are nouns.

Word	Noun	Adjective	Verb	Adverb
cataphyll	Yes	No	No	No
foliage	Yes	No	No	No

As nouns, foliage is a hypernym of cataphyll; that is, foliage is a word with a broader meaning than cataphyll:

cataphyll: a reduced or scarcely developed leaf at the start of a plant's life (i.e., cotyledons) or in the early stages of leaf development
foliage: the main organ of photosynthesis and transpiration in higher plants

Other hypernyms of cataphyll include leaf, leafage.

cataphyll (noun)	foliage (noun)
a reduced or scarcely developed leaf at the start of a plant's life (i.e., cotyledons) or in the early stages of leaf development	(architecture) leaf-like architectural ornament
	the main organ of photosynthesis and transpiration in higher plants