services vs employment

services and employment both are nouns.

Word	Noun	Adjective	Verb	Adverb
services	Yes	No	No	No
employment	Yes	No	No	No

As nouns, employment is a hypernym of services; that is, employment is a word with a broader meaning than services:

services: performance of duties or provision of space and equipment helpful to others
employment: the occupation for which you are paid

Other hypernyms of services include work.

services (noun)	employment (noun)
performance of duties or provision of space and equipment helpful to others	the occupation for which you are paid
	the act of using
	the act of giving someone a job
	the state of being employed or having a job