bean blight vs halo spot

bean blight and halo spot both are nouns.

Word	Noun	Adjective	Verb	Adverb
bean blight	Yes	No	No	No
halo spot	Yes	No	No	No

As nouns, bean blight and halo spot are synonyms defined as:

Other synonyms of bean blight include halo blight.

bean blight (noun)	halo spot (noun)
a blight of bean plants	a blight of bean plants