IAA vs terrorist organization

IAA and terrorist organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
IAA	Yes	No	No	No
terrorist organization	Yes	No	No	No

IAA (noun)	terrorist organization (noun)
Yemen-based terrorist group that supports al-Qaeda's goals; seeks to overthrow the Yemeni government and eliminate United States interests; responsible for bombings and kidnappings and killing western tourists in Yemen	a political movement that uses terror as a weapon to achieve its goals
a plant hormone promoting elongation of stems and roots