canola oil vs canola

canola oil and canola both are nouns.

Word	Noun	Adjective	Verb	Adverb
canola oil	Yes	No	No	No
canola	Yes	No	No	No

As nouns, canola oil and canola are synonyms defined as:

canola oil and canola: vegetable oil made from rapeseed; it is high in monounsaturated fatty acids

canola oil (noun)	canola (noun)
vegetable oil made from rapeseed; it is high in monounsaturated fatty acids	vegetable oil made from rapeseed; it is high in monounsaturated fatty acids