Jerusalem thorn vs shrub

Jerusalem thorn and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jerusalem thorn	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of Jerusalem thorn; that is, shrub is a word with a broader meaning than Jerusalem thorn:

Jerusalem thorn: large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Jerusalem thorn include bush.

As nouns, shrub is a hypernym of Jerusalem thorn; that is, shrub is a word with a broader meaning than Jerusalem thorn:

Other hypernyms of Jerusalem thorn include bush.

As nouns, shrub is a hypernym of Jerusalem thorn; that is, shrub is a word with a broader meaning than Jerusalem thorn:

Other hypernyms of Jerusalem thorn include bush.

Jerusalem thorn (noun)	shrub (noun)
large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States	a low woody perennial plant usually having several major stems
spiny tree having dark red edible fruits
thorny Eurasian shrub with dry woody winged fruit
East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu