Apium graveolens rapaceum vs celeriac

Apium graveolens rapaceum and celeriac both are nouns.

Word	Noun	Adjective	Verb	Adverb
Apium graveolens rapaceum	Yes	No	No	No
celeriac	Yes	No	No	No

As nouns, Apium graveolens rapaceum and celeriac are synonyms defined as:

Apium graveolens rapaceum and celeriac: grown for its thickened edible aromatic root

Other synonyms of Apium graveolens rapaceum include celery root, knob celery, root celery, turnip-rooted celery.

Apium graveolens rapaceum (noun)	celeriac (noun)
grown for its thickened edible aromatic root	thickened edible aromatic root of a variety of celery plant
	grown for its thickened edible aromatic root