Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb filch
1 sense of filch
Sense 1
pilfer, cabbage, purloin, pinch, abstract, snarf, swipe, hook, sneak, filch, nobble, lift -- (make off with belongings of others)
=> steal -- (take without the owner's consent; "Someone stole my wallet on the train"; "This author stole entire paragraphs from my dissertation")