Egyptian paper rush vs papyrus

Egyptian paper rush and papyrus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Egyptian paper rush	Yes	No	No	No
papyrus	Yes	No	No	No

As nouns, Egyptian paper rush and papyrus are synonyms defined as:

Egyptian paper rush and papyrus: tall sedge of the Nile valley yielding fiber that served many purposes in historic times

Other synonyms of Egyptian paper rush include Cyperus papyrus, Egyptian paper reed, paper plant, paper rush.

Egyptian paper rush (noun)	papyrus (noun)
tall sedge of the Nile valley yielding fiber that served many purposes in historic times	a document written on papyrus
	tall sedge of the Nile valley yielding fiber that served many purposes in historic times
	paper made from the papyrus plant by cutting it in strips and pressing it flat; used by ancient Egyptians and Greeks and Romans