investigation;  examination;  inquiry;  enquiry;  survey
 search (esp. in criminal investigations);  investigation;  inquiry;  enquiry
 inspection (e.g. customs, factory);  examination;  scan (e.g. MRI, PET, etc.)
 judging;  inspection;  examination;  investigation;  review
 police officer;  policeman;  constable
 probe;  inquiry;  enquiry;  investigation
 close investigation;  careful examination;  scrutiny
 assessment (of value, damages, etc.);  revision (of a budget)
 police investigator;  investigator
 investigator (usu. of criminal cases)
 (criminal) investigation headquarters
 physical examination;  medical checkup;  frisking;  pat-down;  search
 inspection;  audit;  judgement;  judgment
 research team;  investigative team;  survey team;  reconnaissance team;  investigative commission;  fact-finding party
 inquiry commission;  enquiry commission;  research group
 inspection (for compliance);  investigation (tax, etc.)
 thorough checkup;  complete examination;  complete physical;  detailed testing
 inquiry;  enquiry;  hearing
 report (of an investigation);  investigation (investigative) report
 examination;  consideration;  test;  quiz
 scanning (e.g. TV);  traversal
 fact-finding survey based on interviews;  oral survey;  interview survey
 (personal) background check
 re-examination;  reinvestigation
 re-examination;  reinspection;  retest
 compulsory investigation;  compulsory search
 examiner;  investigator;  inquisitor;  agent
 inspection of personal belongings (e.g. before entering a venue)
 immigration check;  immigration inspection
 research division;  inquiry section
 inspector;  examiner;  auditor
 written investigation;  report of an investigation;  school record (on a student);  transcript (of grades)
 inspector;  auditor;  examiner;  comptroller
 field survey;  field work (research);  on-the-spot investigation
 criminal investigation department;  CID;  criminal investigation section
 scientific crime detection;  forensic investigation
 follow-up (tracing) survey
 (private) investigation company;  research agency
 probity check;  background investigation
 right to investigate;  investigatory power
 sting operation;  undercover investigation
 research office;  research division;  inquiry section
 identity or background check (often to see if someone is a burakumin)
 excavation (usu. archeological);  dig
 initial investigation (by police)
 fact-finding investigation;  investigation into actual conditions;  fact-finding survey
 sting operation;  undercover investigation
 carry-on baggage inspection
 investigating authorities;  law enforcement authority
 criminal investigation squad (team)
 house search (e.g. by the police)
 periodic inspection;  regular inspection
 survey;  exploration;  field investigation
 court of inquiry;  court of enquiry
 spot check;  snap inspection;  surprise test
 examiner (e.g. patent examiner)
 pregnancy test kit;  pregnancy test
 on-the-spot inspection;  on-site inspection
 attitude survey;  opinion poll
 open criminal investigation
 research organization;  investigative body
 urine analysis;  urinalysis
 unmanned probe (vessel, spacecraft, etc.)
 diagnostic agent (esp. pregnancy test)
 examination method;  method of investigation;  search procedure
 special investigation headquarter
 supervisory auditor;  member of inspection committee
 chief examiner or investigator
 physical examination (given at conscription)
 DNA test;  genetic test;  genetic testing
 examine (investigate into) a person's history
 tax inquiry;  tax enquiry;  tax investigation
 search for corroborative evidence
 investigation (to determine the cause of something)
 research bureau;  research service;  research council
 PCR test;  polymerase chain reaction test
 Cabinet Information Research Office
 tax system research commission;  tax system research council;  select committee on the taxation system;  tax commission
 Japanese hawthorn (Crataegus cuneata);  may;  quickthorn;  whitethorn
 manned mission (e.g. space probe)
 (police) legwork;  house-to-house inquiry;  canvassing;  investigation carried out by questioning neighbours, bystanders, etc.
 chief investigator;  head of the investigation;  lead investigator
 (Japanese) Public Security Intelligence Agency
 method of examination or inspection
 visa;  endorsing (e.g. a passport);  stamping
 preliminary investigation
 departure inspection (when leaving a country)
 research investigation;  research survey
 compulsory inspection;  compulsory search
 ultrasound scan;  echographic examination
 immigration officer;  immigration inspector
 assistant (to section manager)
 prescreen;  pre-screening;  prior inspection;  preliminary review;  pre-vetting
 inspector;  gauger;  passer
 checking and receiving (an invoice, goods, etc.);  receipt
 parliamentary investigation rights
 assistant chief of staff, g2
 Committee for the Inquest of Prosecution
 laboratory test;  clinical examination
 judicial review (e.g. of the constitutionality of a law)
 physical examination;  medical examination;  physical checkup
 formal objection (to an administrative disposition);  request for examination (of a patent);  request for administrative review
 spot check;  snap inspection;  surprise test
 national review (referendum on a legal matter)
 police investigation carried out in the immediate vicinity of a crime site
 Deliberative Council on Political Ethics
 inspection station;  inspection centre
 national census;  door-to-door census
 not submitted to the selecting committee
 psychological examination;  mental test
 seabed probe;  probe of the ocean floor;  submarine prospecting
 Public Security Examination Commission
 inspection;  audit;  judgement;  judgment
 matters for investigation;  matters to be examined;  research agenda
 subsurface exploration (geotechnical investigation)
 epidemiological investigation;  epidemiological survey
 Mars lander;  Mars rover;  Mars probe
 laparoscopy;  peritoneoscopy;  ventroscopy
 check of someone's ability;  test of someone's ability
 sperm test;  semen analysis;  seminogram
 unexamined;  untested;  unscreened
 eye chart;  eyesight test chart
 physical examination;  health checkup
 investigative approach;  research method;  survey method
 (actual) screening (as opposed to prescreening)
 search conducted with the consent of the party concerned
 examination of somebody's sputum
 polygraph test;  lie detector test
 diagnostic examination;  exploration
 quality check;  quality inspection
 funduscopy;  fundus examination;  ophthalmoscopy
 sequential sampling inspection (with reposition)
 controlled delivery;  arm's-length surveillance
 overhaul;  check-up;  inspection
 Short-Term Economic Survey of Enterprises in Japan (Bank of Japan's quarterly economic survey);  Tankan survey
 self-checking;  self-diagnosis
 appraisal value;  assessed price;  valuation
 breath test;  breathalyzer test
 referee (of a manuscript);  reviewer
 checking against (up);  examining by reference;  verification
 personality test;  personality assessment;  personality inventory
 tax inspection division;  tax inspector;  tax dick;  tax inspection
 Administrative Appeal Act (1962);  Administrative Complaint Investigation Law
 underwriter (insurance);  appraiser;  assessor;  auditor
 family court probation officer
 diagnostic examination;  diagnostic assay
 on-the-spot inspection;  on-site inspection
 carrying over a bill from one Diet session to the next, being deliberated by a committee in the interim
 power of judicial review;  the Supreme Court's power to determine the constitutionality of a law
 on-the-spot inspection;  on-site inspection
 market research organization;  market research organisation
 site visit (auditors, public accountants, etc.)
 (police) legwork;  house-to-house inquiry;  canvassing;  investigation carried out by questioning neighbours, bystanders, etc.
 tax inspection division;  tax inspector;  tax dick;  tax inspection
 UN Monitoring, Verification and Inspection Commission;  UNMOVIC
 sonography;  ultrasonography
 medical examination of entrants into professional wrestling
 resident audit request to local government authority
 automobile inspection certificate
 private investigation agency
 departure permit;  exit visa
 multiphoton laser scanning microscope
 confocal laser scanning biological microscope
 confocal laser scanning biological microscope
 Internet Engineering Task Force;  IETF
 Internet Research Task Force;  IRTF
 modulo N check;  residue check
 expiration check;  retention period check
 marginal test;  marginal check
 longitudinal parity check
 summation check;  sum check
 error-detecting code;  self-checking code
 CRC;  Cyclic Redundancy Check
 cyclic redundancy check;  CRC
 modulo N check;  residue check
 Vertical Redundancy Check;  VRC
 Horizontal Redundancy Check
 horizontal scanning frequency
 LRC;  Longitudinal Redundancy Check
 static conformance review
 interlace (e.g. on CRT screens);  interlaced scanning
 interlace (e.g. on CRT screens);  interlaced scanning
 expiration check;  retention period check
 confocal scanning microscope
 to examine in full detail
 penetrant inspection;  PI;  penetrant examination;  penetrant test
 Agricultural Produce Inspection Law
 HPV test;  test for human papilloma virus
 Internet survey;  online survey
 inspection of a completed facility (esp. of radio stations as required under Japanese law);  completion inspection
 final rejection (e.g. of a patent)
 medical diagnostic instruments
 prescreen;  prescreening;  preliminary review
 National Land Survey Act (1951)
 cadastral survey;  land survey