broomweed vs broom-weed

broomweed and broom-weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
broomweed	Yes	No	No	No
broom-weed	Yes	No	No	No

As nouns, broomweed and broom-weed are synonyms defined as:

broomweed and broom-weed: annual of southwestern United States having rigid woody branches with sticky foliage and yellow flowers

Other synonyms of broomweed include Gutierrezia texana.

broomweed (noun)	broom-weed (noun)
annual of southwestern United States having rigid woody branches with sticky foliage and yellow flowers	annual of southwestern United States having rigid woody branches with sticky foliage and yellow flowers