gross revenue vs sales

gross revenue and sales both are nouns.

Word	Noun	Adjective	Verb	Adverb
gross revenue	Yes	No	No	No
sales	Yes	No	No	No

As nouns, gross revenue and sales are synonyms defined as:

gross revenue and sales: income (at invoice values) received for goods and services over some given period of time

Other synonyms of gross revenue include gross sales.

gross revenue (noun)	sales (noun)
income (at invoice values) received for goods and services over some given period of time	income (at invoice values) received for goods and services over some given period of time