concluded vs terminated

concluded and terminated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
concluded	No	Yes	No	No
terminated	No	Yes	No	No

As adjectives, concluded and terminated are synonyms defined as:

Other synonyms of concluded include all over, complete, ended, over.

concluded (adjective)	terminated (adjective)
having come or been brought to a conclusion	(of e.g. a contract or term of office) having come to an end
	having come or been brought to a conclusion