AIAI vs terrorist act

AIAI and terrorist act both are nouns.

Word	Noun	Adjective	Verb	Adverb
AIAI	Yes	No	No	No
terrorist act	Yes	No	No	No

AIAI (noun)	terrorist act (noun)
a fundamentalist Islamic group in Somalia who initially did fundraising for al-Qaeda; responsible for ambushing United States Army Rangers and for terrorist bombings in Ethiopia; believed to have branches in several countries	the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear