International Olympic Committee vs I.O.C.

International Olympic Committee and I.O.C. both are nouns.

Word	Noun	Adjective	Verb	Adverb
International Olympic Committee	Yes	No	No	No
I.O.C.	Yes	No	No	No

As nouns, International Olympic Committee and I.O.C. are synonyms defined as:

International Olympic Committee and I.O.C.: organization responsible for organizing the modern Olympic Games

Other synonyms of International Olympic Committee include IOC.

International Olympic Committee (noun)	I.O.C. (noun)
organization responsible for organizing the modern Olympic Games	organization responsible for organizing the modern Olympic Games