Erica cinerea vs heather bell

Erica cinerea and heather bell both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erica cinerea	Yes	No	No	No
heather bell	Yes	No	No	No

As nouns, Erica cinerea and heather bell are synonyms defined as:

Erica cinerea and heather bell: common low European shrub with purple-red flowers

Other synonyms of Erica cinerea include bell heather, fine-leaved heath.

Erica cinerea (noun)	heather bell (noun)
common low European shrub with purple-red flowers	common low European shrub with purple-red flowers