cinnamon vs Ceylon cinnamon

cinnamon and Ceylon cinnamon both are nouns.

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

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

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

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

cinnamon (noun)	Ceylon cinnamon (noun)
spice from the dried aromatic bark of the Ceylon cinnamon tree; used as rolled strips or ground	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
aromatic bark used as a spice