SACEUR vs Supreme Allied Commander Europe

SACEUR and Supreme Allied Commander Europe both are nouns.

Word	Noun	Adjective	Verb	Adverb
SACEUR	Yes	No	No	No
Supreme Allied Commander Europe	Yes	No	No	No

As nouns, SACEUR and Supreme Allied Commander Europe are synonyms defined as:

SACEUR and Supreme Allied Commander Europe: commanding officer of ACE; NATO's senior military commander in Europe

SACEUR (noun)	Supreme Allied Commander Europe (noun)
commanding officer of ACE; NATO's senior military commander in Europe	commanding officer of ACE; NATO's senior military commander in Europe