[たんけん, tanken] (n, vs, adj-no) exploration; expedition; (P) #5562
[たんさく, tansaku] (n, vs) search; lookup; hunt; (item of) research; exploration; investigation; (P) #8440
[うちゅうたんさ, uchuutansa] (n) space exploration
[しんさ, shinsa] (n, vs) diagnostic examination; exploration
[せきゆたんさ, sekiyutansa] (n) oil exploration
[せんさく, sensaku] (n, vs) inquiry into; enquiry into; prying (into); investigation; search; exploration
[だいこうかいじだい, daikoukaijidai] (n) Age of Discovery; Age of Exploration
[たんけんたい, tankentai] (n) exploration party
[たんこう, tankou] (n) mineral exploration
[じしんたんこう, jishintankou] (n) seismic mineral exploration
[とうさ, tousa] (n, vs, adj-no) survey; exploration; field investigation
[なんきょくかんそく, nankyokukansoku] (n) Antarctic exploration
[わくせいたんさ, wakuseitansa] (n) planetary exploration