apple rust vs cedar-apple rust

apple rust and cedar-apple rust both are nouns.

Word	Noun	Adjective	Verb	Adverb
apple rust	Yes	No	No	No
cedar-apple rust	Yes	No	No	No

As nouns, apple rust and cedar-apple rust are synonyms defined as:

apple rust and cedar-apple rust: rust fungus causing rust spots on apples and pears etc

Other synonyms of apple rust include Gymnosporangium juniperi-virginianae.

apple rust (noun)	cedar-apple rust (noun)
rust fungus causing rust spots on apples and pears etc	rust fungus causing rust spots on apples and pears etc