furac-

(Latin: steal, pilfer; thievish, kleptomania, thief)

furacate (fuhr uh KAYT) (verb), furacates; furacated; furacating
To take something illegally or to obtain unlawfully: There are stores that have trouble with people who are furacating products and that is why there are hidden cameras and personnel who are watching and trying to catch those who are guilty of attempting to sneak away with so many items without paying for them.
furacious (adjective), more furacious, most furacious
1. Descriptive of someone who has a tendency to steal or who is thievish: A furacious person is someone who takes property illegally or larcenously
2. Etymology: from Latin furax, furac-; from furari-, "to steal' + -ious, "full of".
furaciousness (s) (noun) (no plural)
1. An inclination or tendency to pilfer or to take some things dishonestly: When Jane was counting her money on her bed, her brother had the furaciousness to take some of it while she was talking to someone on the phone and not looking!
2. Etymology: from Latin furac-, furax, "thievish"; from fur, "thief".
furacity (s) (noun), furacities (pl)
1. An addiction, a strong craving, or a compulsive desire, to take things from people or places without permission: Adam, who was known for his furacity, was caught again by the police after having broken into his neighbor’s house and trying to abscond with the money that was hidden in a drawer in their bedroom.

Plagiarizing, or to take someone else's intellectual writing or speech without referencing it and then to present it as if it were created by that other person, can be considered another form of furacity.

2. Etymology: from Latin furacitas, "stealing".

Take this opportunity to go to the Cleptomania: Art Thief page for an authentic example of furacity in action.