common caper vs Capparis spinosa

common caper and Capparis spinosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
common caper	Yes	No	No	No
Capparis spinosa	Yes	No	No	No

As nouns, common caper and Capparis spinosa are synonyms defined as:

common caper and Capparis spinosa: prostrate spiny shrub of the Mediterranean region cultivated for its greenish flower buds which are pickled

common caper (noun)	Capparis spinosa (noun)
prostrate spiny shrub of the Mediterranean region cultivated for its greenish flower buds which are pickled	prostrate spiny shrub of the Mediterranean region cultivated for its greenish flower buds which are pickled