jaboncillo vs soapberry

jaboncillo and soapberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
jaboncillo	Yes	No	No	No
soapberry	Yes	No	No	No

As nouns, soapberry is a hypernym of jaboncillo; that is, soapberry is a word with a broader meaning than jaboncillo:

jaboncillo: evergreen of tropical America having pulpy fruit containing saponin which was used as soap by Native Americans
soapberry: a tree of the genus Sapindus whose fruit is rich in saponin

Other hypernyms of jaboncillo include soapberry tree.

jaboncillo (noun)	soapberry (noun)
evergreen of tropical America having pulpy fruit containing saponin which was used as soap by Native Americans	a tree of the genus Sapindus whose fruit is rich in saponin