RIRA vs act of terrorism

RIRA and act of terrorism both are nouns.

Word	Noun	Adjective	Verb	Adverb
RIRA	Yes	No	No	No
act of terrorism	Yes	No	No	No

RIRA (noun)	act of terrorism (noun)
a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement	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