Colbert vs Colbert butter

Colbert and Colbert butter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Colbert	Yes	No	No	No
Colbert butter	Yes	No	No	No

As nouns, Colbert and Colbert butter are synonyms defined as:

Colbert and Colbert butter: butter creamed with parsley and tarragon and beef extract

Colbert (noun)	Colbert butter (noun)
butter creamed with parsley and tarragon and beef extract	butter creamed with parsley and tarragon and beef extract