There are many interesting words and phrases in Neapolitan that relate to fear or trust in some way. Considering the precarious situation of many neighborhoods due to the Camorra, poverty, and disease, this could be an influence revealing itself in the language:

avvermen-à-o-àje-àto - to develop worms due to fear (formed around the believe that children developed worms from fear)

cammurìsta- member of the cammora

mpechèra - scheming, gossiping woman

guast-à-o-àje-àto - to spoil, to turn the stomach

muórto 'e fàmme - dead from hunger

veré a famme cu ll'uòcchie - literally to see hunger with your own eyes, to feel hunger pains