[けんきゅう, kenkyuu] (n, vs) study; research; investigation; (P) #172
[ちょうさ, chousa] (n, vs) investigation; examination; inquiry; enquiry; survey; (P) #579
[けんとう, kentou] (n, vs) consideration; examination; investigation; study; scrutiny; discussion; (P) #1434
[そうさ, sousa] (n, vs, adj-no) search (esp. in criminal investigations); investigation; inquiry; enquiry; (P) #1795
[しんさ, shinsa] (n, vs) judging; inspection; examination; investigation; review; (P) #2111
[しらべ, shirabe] (n, n-suf) (1) investigation; inspection; examination; (2) tune; note; melody; (P) #2702
[そうさく, sousaku] (n, vs) search (esp. for someone or something missing); investigation; (P) #6606
[こうさつ, kousatsu] (n, vs) consideration; inquiry; enquiry; investigation; study; (P) #6657
[たんさ, tansa] (n, vs) probe; inquiry; enquiry; investigation; (P) #6753
[こう, kou] (n) (1) thought; (n-suf) (2) report on one's investigation into ...; (3) deceased father #7530
[たんさく, tansaku] (n, vs) search; lookup; hunt; (item of) research; exploration; investigation; (P) #8440
[とくそう, tokusou] (n) special investigation; (P) #8891
[せいさ, seisa] (n, vs) close investigation; careful examination; scrutiny #13045
[ついきゅう, tsuikyuu] (n, vs) (1) investigation (e.g. into someone's guilt); questioning; pressing; hounding; pinning down; (2) catching up; overtaking; (P) #13437
[ちょうしょ, chousho] (n) protocol; written evidence; record (investigation, interrogation, etc.); preliminary memo; charge sheet; (P) #15413
[こうしょう, koushou] (n, vs) (historical) investigation; (P) #16541
[ぎんみ, ginmi] (n, vs) testing; scrutiny; careful investigation; (P) #19127
[エフビーアイ, efubi-ai] (n) Federal Bureau of Investigation; FBI
[おとりそうさ, otorisousa] (n) sting operation; undercover investigation
[したしらべ, shitashirabe] (n, vs) preliminary investigation; preparation; (P)
[かがくそうさ, kagakusousa] (n) scientific crime detection; forensic investigation
[かいようちょうさせん, kaiyouchousasen] (n) ocean investigation ship
[かんけつ, kanketsu] (n, vs) investigation and decision
[かんけん, kanken] (n, vs) investigation
[かんさ, kansa] (n) investigation
[かんしん, kanshin] (n) careful investigation
[かんしん, kanshin] (n) reporting after careful investigation
[ぎじゅつけんとう, gijutsukentou] (n) { comp } technical investigation
[ぎじゅつちょうさ, gijutsuchousa] (n) { comp } technical investigation
[きゅうめい, kyuumei] (n, vs) investigation (esp. in academic and scientific contexts); (P)
[きょうどうそうさ, kyoudousousa] (n) joint investigation
[けいじそうさ, keijisousa] (n) criminal investigation
[けいさつそうさ, keisatsusousa] (n) police investigation
[けんし, kenshi] (n, vs) autopsy; inquest; investigation of death; (P)
[けんとうけっか, kentoukekka] (n) { comp } results of an investigation
[けんとうさぎょう, kentousagyou] (n) review work; study; investigation
[けんとうたいしょう, kentoutaishou] (n) subject of an investigation; object being examined
[けんとうちゅう, kentouchuu] (n) under investigation; under consideration; under review; pending (decision, etc.); awaiting verification
[けんきゅうけっか, kenkyuukekka] (n) results of a scientific investigation; findings; (P)
[けんきゅうりょういき, kenkyuuryouiki] (n) area of study (investigation); research area
[げんいんきゅうめい, gen'inkyuumei] (n, vs) investigation to determine the cause (of); tracing something back to its origin
[げんいんちょうさ, gen'inchousa] (n) investigation (to determine the cause of something)
[げんちちょうさ, genchichousa] (n) field survey; field work (research); on-the-spot investigation
[こうかいそうさ, koukaisousa] (n) open criminal investigation
[こうきゅう, koukyuu] (n, vs) study; investigation; research
[こうきゅう, koukyuu] (n, vs) investigation; consideration
[こくせいちょうさけん, kokuseichousaken] (n) parliamentary investigation rights
[ささつ, sasatsu] (n, vs) inspection (for compliance); investigation (tax, etc.); (P)
[さてい, satei] (n, vs) assessment; investigation; audit; revision; (P)
[さいこう, saikou] (n) second proof; reinvestigation