black olive vs ripe olive

black olive and ripe olive both are nouns.

Word	Noun	Adjective	Verb	Adverb
black olive	Yes	No	No	No
ripe olive	Yes	No	No	No

As nouns, black olive and ripe olive are synonyms defined as:

black olive and ripe olive: olives picked ripe and cured in brine then dried or pickled or preserved canned or in oil

black olive (noun)	ripe olive (noun)
olives picked ripe and cured in brine then dried or pickled or preserved canned or in oil	olives picked ripe and cured in brine then dried or pickled or preserved canned or in oil