Force 17 vs terrorism

Force 17 and terrorism both are nouns.

Word	Noun	Adjective	Verb	Adverb
Force 17	Yes	No	No	No
terrorism	Yes	No	No	No

Force 17 (noun)	terrorism (noun)
formed in 1972 as a personal security force for Arafat and other PLO leaders; became one of PLO's elite units; has built an extensive infrastructure of terrorist cells and weapon depots in Europe while attacking Israeli targets	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