black apricot vs purple apricot

black apricot and purple apricot both are nouns.

Word	Noun	Adjective	Verb	Adverb
black apricot	Yes	No	No	No
purple apricot	Yes	No	No	No

As nouns, black apricot and purple apricot are synonyms defined as:

black apricot and purple apricot: small hybrid apricot of Asia and Asia Minor having purplish twigs and white flowers following by inferior purple fruit

Other synonyms of black apricot include Prunus dasycarpa.

black apricot (noun)	purple apricot (noun)
small hybrid apricot of Asia and Asia Minor having purplish twigs and white flowers following by inferior purple fruit	small hybrid apricot of Asia and Asia Minor having purplish twigs and white flowers following by inferior purple fruit