Java pepper vs cubeb

Java pepper and cubeb both are nouns.

Word	Noun	Adjective	Verb	Adverb
Java pepper	Yes	No	No	No
cubeb	Yes	No	No	No

As nouns, Java pepper and cubeb are synonyms defined as:

Java pepper and cubeb: tropical southeast Asian shrubby vine bearing spicy berrylike fruits

Other synonyms of Java pepper include cubeb vine, Piper cubeba.

Java pepper (noun)	cubeb (noun)
tropical southeast Asian shrubby vine bearing spicy berrylike fruits	a cigarette containing cubeb
	tropical southeast Asian shrubby vine bearing spicy berrylike fruits
	spicy fruit of the cubeb vine; when dried and crushed is used medicinally or in perfumery and sometimes smoked in cigarettes