Collocations for corruption - noun

endemic, massive, rampant, rife, widespread
Corruption was rife before the election.

gross, serious
petty
alleged
financial, moral, political
high-level, official
corporate (esp. AmE), government, police, public (AmE)

case

attack, combat, fight, tackle
He strongly attacked corruption in the government.
This police unit was established to fight corruption.

eliminate, end, root out, stop
curb, stem
prevent
investigate
be involved in (esp. BrE)
expose, reveal

scandal
She was brought down by a corruption scandal.

allegation, charge
The corruption allegations proved false.

investigation, probe
case

corruption among
corruption among high-ranking officials

corruption in
corruption in government

accusations of corruption, allegations of corruption, charges of corruption
bribery and corruption
a culture of corruption