Director of Central Intelligence vs DCI

Director of Central Intelligence and DCI both are nouns.

Word	Noun	Adjective	Verb	Adverb
Director of Central Intelligence	Yes	No	No	No
DCI	Yes	No	No	No

As nouns, Director of Central Intelligence and DCI are synonyms defined as:

Director of Central Intelligence and DCI: the head of the United States Intelligence Community and director of the Central Intelligence Agency

Director of Central Intelligence (noun)	DCI (noun)
the head of the United States Intelligence Community and director of the Central Intelligence Agency	the head of the United States Intelligence Community and director of the Central Intelligence Agency