警察【けいさつ】
police, police officer, police station
検察【けんさつ】
examination, investigation, prosecution
査察【ささつ】
inspection (for compliance), investigation (tax, etc.)
視察【しさつ】
inspection, observation
観察【かんさつ】
observation, survey, watching
偵察【ていさつ】
scouting, reconnaissance
診察【しんさつ】
medical examination
警察署【けいさつしょ】
police station
考察【こうさつ】
consideration, inquiry, enquiry, investigation, study
洞察【どうさつ】
discernment, insight
察する【さっする】
to guess, to sense, to presume, to judge, to sympathize with, to sympathise with