halo blight vs bean blight

halo blight and bean blight both are nouns.

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

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

Other synonyms of halo blight include halo spot.

halo blight (noun)	bean blight (noun)
a blight of bean plants	a blight of bean plants
a blight affecting the leaves of oats and other grasses