sandbur vs Cenchrus tribuloides

sandbur and Cenchrus tribuloides both are nouns.

Word	Noun	Adjective	Verb	Adverb
sandbur	Yes	No	No	No
Cenchrus tribuloides	Yes	No	No	No

As nouns, sandbur and Cenchrus tribuloides are synonyms defined as:

sandbur and Cenchrus tribuloides: grass of the eastern United States and tropical America having spikelets enclosed in prickly burs

Other synonyms of sandbur include field sandbur, sandspur.

sandbur (noun)	Cenchrus tribuloides (noun)
grass of the eastern United States and tropical America having spikelets enclosed in prickly burs	grass of the eastern United States and tropical America having spikelets enclosed in prickly burs