Rio Nunez coffee vs robusta coffee

Rio Nunez coffee and robusta coffee both are nouns.

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

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

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

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

Rio Nunez coffee (noun)	robusta coffee (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