Tamil Tigers vs act of terrorism

Tamil Tigers and act of terrorism both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tamil Tigers	Yes	No	No	No
act of terrorism	Yes	No	No	No

Tamil Tigers (noun)	act of terrorism (noun)
a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel	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