Southern Rhodesia vs Zimbabwe

Southern Rhodesia and Zimbabwe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Southern Rhodesia	Yes	No	No	No
Zimbabwe	Yes	No	No	No

As nouns, Southern Rhodesia and Zimbabwe are synonyms defined as:

Southern Rhodesia and Zimbabwe: a landlocked republic in south central Africa formerly called Rhodesia; achieved independence from the United Kingdom in 1980

Other synonyms of Southern Rhodesia include Republic of Zimbabwe, Rhodesia.

Southern Rhodesia (noun)	Zimbabwe (noun)
a landlocked republic in south central Africa formerly called Rhodesia; achieved independence from the United Kingdom in 1980	a landlocked republic in south central Africa formerly called Rhodesia; achieved independence from the United Kingdom in 1980