• 探知たんち

  detection

• 探検たんけん

  exploration, expedition

• 探求たんきゅう

  search, quest, pursuit

• 探査たんさ

  probe, inquiry, enquiry, investigation

• 探究たんきゅう

  research, investigation, enquiry, inquiry, study

• 探訪たんぼう

  searching, hunting for news story, journalist

• 探偵たんてい

  detective, investigator, sleuth

• 探索たんさく

  search, lookup, hunt, (item of) research, exploration, investigation

• 探すさがす

  to search for, to look for, to hunt for, to seek

• 探るさぐる

  to feel around for, to fumble for, to grope for, to search for, to look for

• 探検隊たんけんたい

  exploration party, expedition team

• 探し物さがしもの

  looking for something, searching for something

• 手探りてさぐり

  fumbling, groping

• 探し回るさがしまわる

  to search about for, to hunt around for, to look high and low for, to look everywhere for

• 探針たんしん

  probe

• 探春たんしゅん

  spring outing

• 探勝たんしょう

  sightseeing

• 探測たんそく

  probing, sounding

• 探餌たんじ

  (animal's) foraging

• 探鳥たんちょう

  bird-watching

• 探傷たんしょう

  flaw detection

• 探鉱たんこう

  mineral exploration

• 探聞たんぶん

  inquisitive questioning

• 探りさぐり

  sounding, probing, probe, stylet, spy

• 探掘たんくつ

  exploratory excavation, prospecting

• 探信たんしん

  transmission of a sonar pulse, pinging

• 探梅たんばい

  going out in search of plum blossoms, plum-blossom viewing

• 探番たんばん

  attributing a sequence number (packet, message, etc.)

• 探題たんだい

  local commissioner (Kamakura or Muromachi eras)

• 探湯くかたち

  trial by hot water, putting a person's hand in boiling water to determine their guilt or innocence (with the belief that the innocent would not be scalded)

• 独探どくたん

  German spy

• 露探ろたん

  Russian spy (during the Russo-Japanese War)

• 魚探ぎょたん

  fishfinder

• 電探でんたん

  radar

• 厳探げんたん

  strict search, sharp lookout

• 内探ないたん

  private inquiry, private enquiry, secret investigation

• 探検家たんけんか

  explorer

• 探査機たんさき

  (space) probe

• 探検者たんけんしゃ

  explorer

• 探知機たんちき

  detector, locator

• 探海灯たんかいとう

  searchlight

• 探信儀たんしんぎ

  (active) sonar

• 探照灯たんしょうとう

  searchlight

• 探偵社たんていしゃ

  detective agency

• 探求者たんきゅうしゃ

  searcher, pursuer

• 探索木たんさくぎ

  search tree, decision tree

• 探査船たんさせん

  research vessel, research ship

• 探り足さぐりあし

  feel one's way (with one's feet)

• 探傷面たんしょうめん

  scanning surface, test surface

• 探しにさがしに

  in search of, in order to look for