terrorist act vs Tanzim

terrorist act and Tanzim both are nouns.

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

terrorist act (noun)	Tanzim (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 terrorist group organized by Yasser Arafat in 1995 as the armed wing of al-Fatah; serves a dual function of violent confrontation with Israel and serves as Arafat's unofficial militia to prevent rival Islamists from usurping leadership