WordNet (r) 3.0 (2006):

scrounge
    v 1: collect or look around for (food) [syn: scrounge,
         forage]
    2: obtain or seek to obtain by cadging or wheedling; "he is
       always shnorring cigarettes from his friends" [syn:
       schnorr, shnorr, scrounge, cadge]

Moby Thesaurus II by Grady Ward, 1.0:

57 Moby Thesaurus words for "scrounge":
   abstract, and, annex, appropriate, bag, beg, boost, borrow, bum,
   cadge, cadger, come up with, cop, crib, defraud, embezzle, extort,
   ferret out, filch, freeload, freeloader, hit, hit up, hook,
   importune, lift, make off with, mooch, nip, nose out, palm,
   panhandle, parasite, pass the hat, pilfer, pinch, poach, purloin,
   run away with, rustle, scrape together, scrape up, scrounger,
   seek out, shoplift, smell out, snare, snatch, snitch, sponger,
   steal, swindle, swipe, take, thieve, touch, walk off with