Rangifer tarandus vs reindeer

Rangifer tarandus and reindeer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rangifer tarandus	Yes	No	No	No
reindeer	Yes	No	No	No

As nouns, Rangifer tarandus and reindeer are synonyms defined as:

Rangifer tarandus and reindeer: Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America

Other synonyms of Rangifer tarandus include caribou, Greenland caribou.

Rangifer tarandus (noun)	reindeer (noun)
Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America	Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America