value orientation vs value-system

value orientation and value-system both are nouns.

Word	Noun	Adjective	Verb	Adverb
value orientation	Yes	No	No	No
value-system	Yes	No	No	No

As nouns, value orientation and value-system are synonyms defined as:

value orientation and value-system: the principles of right and wrong that are accepted by an individual or a social group

Other synonyms of value orientation include ethic, moral principle.

value orientation (noun)	value-system (noun)
the principles of right and wrong that are accepted by an individual or a social group	the principles of right and wrong that are accepted by an individual or a social group