kola nut tree vs kola

kola nut tree and kola both are nouns.

Word	Noun	Adjective	Verb	Adverb
kola nut tree	Yes	No	No	No
kola	Yes	No	No	No

As nouns, kola nut tree and kola are synonyms defined as:

kola nut tree and kola: tree bearing large brown nuts containing e.g. caffeine; source of cola extract

Other synonyms of kola nut tree include Cola acuminata, goora nut, kola nut.

kola nut tree (noun)	kola (noun)
tree bearing large brown nuts containing e.g. caffeine; source of cola extract	tree bearing large brown nuts containing e.g. caffeine; source of cola extract