下検査[shitakensa] preliminary inspection
家宅捜査[katakusousa] premises search
会計監査[kaikeikansa] (financial) audit
勘査[kansa] investigation
監査記録[kansakiroku] audit trail

監査証跡[kansashouseki] audit trail
監査役[kansayaku] auditor
検査[kensa] inspection (e.g. customs, factory)
原因調査[geninchousa] investigation (to determine the cause of something)
交通巡査[koutsuujunsa] traffic officer