erose leaf vs foliage

erose leaf and foliage both are nouns.

Word	Noun	Adjective	Verb	Adverb
erose leaf	Yes	No	No	No
foliage	Yes	No	No	No

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

erose leaf: a leaf having a jagged margin as though gnawed
foliage: the main organ of photosynthesis and transpiration in higher plants

Other hypernyms of erose leaf include leaf, leafage.

erose leaf (noun)	foliage (noun)
a leaf having a jagged margin as though gnawed	(architecture) leaf-like architectural ornament
	the main organ of photosynthesis and transpiration in higher plants