celery vs celery seed

celery and celery seed both are nouns.

Word	Noun	Adjective	Verb	Adverb
celery	Yes	No	No	No
celery seed	Yes	No	No	No

celery (noun)	celery seed (noun)
stalks eaten raw or cooked or used as seasoning	seed of the celery plant used as seasoning
widely cultivated herb with aromatic leaf stalks that are eaten raw or cooked