FTO vs PSF

FTO and PSF both are nouns.

Word	Noun	Adjective	Verb	Adverb
FTO	Yes	No	No	No
PSF	Yes	No	No	No

FTO (noun)	PSF (noun)
a political movement that uses terror as a weapon to achieve its goals	a terrorist group of radical Palestinians who split with al-Fatah in 1967 but now have close relations with al-Fatah; staged terrorist attacks against Israel across the Lebanese border