Cinnamomum zeylanicum vs Ceylon cinnamon

Cinnamomum zeylanicum and Ceylon cinnamon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cinnamomum zeylanicum	Yes	No	No	No
Ceylon cinnamon	Yes	No	No	No

As nouns, Cinnamomum zeylanicum and Ceylon cinnamon are synonyms defined as:

Cinnamomum zeylanicum and Ceylon cinnamon: tropical Asian tree with aromatic yellowish-brown bark; source of the spice cinnamon

Other synonyms of Cinnamomum zeylanicum include Ceylon cinnamon tree, cinnamon.

Cinnamomum zeylanicum (noun)	Ceylon cinnamon (noun)
tropical Asian tree with aromatic yellowish-brown bark; source of the spice cinnamon	tropical Asian tree with aromatic yellowish-brown bark; source of the spice cinnamon