tanglebush vs forestiera

tanglebush and forestiera both are nouns.

Word	Noun	Adjective	Verb	Adverb
tanglebush	Yes	No	No	No
forestiera	Yes	No	No	No

As nouns, forestiera is a hypernym of tanglebush; that is, forestiera is a word with a broader meaning than tanglebush:

tanglebush: spiny branching deciduous shrub of southwestern United States having clusters of insignificant yellow-white flowers appearing before leaves followed by attractive black berrylike fruits
forestiera: any plant of the genus Forestiera

tanglebush (noun)	forestiera (noun)
spiny branching deciduous shrub of southwestern United States having clusters of insignificant yellow-white flowers appearing before leaves followed by attractive black berrylike fruits	any plant of the genus Forestiera