descriptive anthropology vs ethnography

descriptive anthropology and ethnography both are nouns.

Word	Noun	Adjective	Verb	Adverb
descriptive anthropology	Yes	No	No	No
ethnography	Yes	No	No	No

As nouns, descriptive anthropology and ethnography are synonyms defined as:

descriptive anthropology and ethnography: the branch of anthropology that provides scientific description of individual human societies

descriptive anthropology (noun)	ethnography (noun)
the branch of anthropology that provides scientific description of individual human societies	the branch of anthropology that provides scientific description of individual human societies