terrorist act vs AIAI

terrorist act and AIAI both are nouns.

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

terrorist act (noun)	AIAI (noun)
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	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