Rio Nunez coffee vs Coffea robusta

Rio Nunez coffee and Coffea robusta both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rio Nunez coffee	Yes	No	No	No
Coffea robusta	Yes	No	No	No

As nouns, Rio Nunez coffee and Coffea robusta are synonyms defined as:

Rio Nunez coffee and Coffea robusta: native to West Africa but grown in Java and elsewhere; resistant to coffee rust

Other synonyms of Rio Nunez coffee include Coffea canephora, robusta coffee.

Rio Nunez coffee (noun)	Coffea robusta (noun)
native to West Africa but grown in Java and elsewhere; resistant to coffee rust	native to West Africa but grown in Java and elsewhere; resistant to coffee rust