Delaware Bay vs embayment

Delaware Bay and embayment both are nouns.

Word	Noun	Adjective	Verb	Adverb
Delaware Bay	Yes	No	No	No
embayment	Yes	No	No	No

Delaware Bay (noun)	embayment (noun)
an inlet of the North Atlantic; fed by the Delaware River	an indentation of a shoreline larger than a cove but smaller than a gulf