scam
noun /skæm/
  /skæm/
(informal)- a clever and dishonest plan for making money
- an insurance scam
 
Collocations CrimeCrimeCommitting a crime- commit a crime/a murder/a violent assault/a brutal killing/an armed robbery/fraud
 - be involved in terrorism/a suspected arson attack/people smuggling/human trafficking
 - engage/participate in criminal activity/illegal practices/acts of mindless vandalism
 - steal somebody’s wallet/purse/(British English) mobile phone/(North American English) cell phone
 - rob a bank/a person/a tourist
 - break into/ (British English) burgle/ (North American English) burglarize a house/a home/an apartment
 - hijack a plane/ship/bus
 - smuggle drugs/weapons/arms/immigrants
 - launder drug money (through something)
 - forge documents/certificates/passports
 - take/accept/pay somebody/offer (somebody) a bribe
 - run a phishing/an email/an internet scam
 
- combat/fight crime/terrorism/corruption/drug trafficking
 - prevent/stop credit-card fraud/child abuse/software piracy
 - deter/stop criminals/burglars/thieves/shoplifters/vandals
 - reduce/tackle/crack down on knife/gun/violent/street crime; (especially British English) antisocial behaviour
 - foil a bank raid/a terrorist plot
 - help/support/protect the victims of crime
 
- report a crime/a theft/a rape/an attack/(especially British English) an incident to the police
 - witness the crime/attack/murder/incident
 - investigate a murder/(especially North American English) a homicide/a burglary/a robbery/the alleged incident
 - conduct/launch/pursue an investigation (into…); (especially British English) a police/murder inquiry
 - investigate/reopen a criminal/murder case
 - examine/investigate/find fingerprints at the crime scene/the scene of crime
 - collect/gather forensic evidence
 - uncover new evidence/a fraud/a scam/a plot/a conspiracy/political corruption/a cache of weapons
 - describe/identify a suspect/the culprit/the perpetrator/the assailant/the attacker
 - question/interrogate a suspect/witness
 - solve/crack the case
 
Oxford Collocations DictionaryScam is used after these nouns:Word Origin1960s: of unknown origin.