use of goods and services vs economic science

use of goods and services and economic science both are nouns.

Word	Noun	Adjective	Verb	Adverb
use of goods and services	Yes	No	No	No
economic science	Yes	No	No	No

use of goods and services (noun)	economic science (noun)
(economics) the utilization of economic goods to satisfy needs or in manufacturing	the branch of social science that deals with the production and distribution and consumption of goods and services and their management