私立探偵[shiritsutantei] private detective
探偵[tantei] detective
探偵小説[tanteishousetsu] detective story
偵察[teisatsu] scout out
偵察衛星[teisatsueisei] reconnaissance satellite

偵察機[teisatsuki] reconnaissance plane
偵察隊[teisatsutai] scouting party
偵知[teichi] spying
内偵[naitei] secret investigation
密偵[mittei] spy

宛がう[ategau] to allot
宛てる[ateru] to address
宛ら[sanagara] just like
宛も[adakamo] as if
私宛[watashiate] my address

宛て[ate] aim
宛字[ateji] kanji used as a phonetic symbol, instead of for the meaning
一つ宛[hitotsuzutsu] one by one
宛て先[atesaki] address
宛て名[atena] (addressee's) name

逆探知[gyakutanchi] phone trace
金属探知機[kinzokutanchiki] metal detector
金探し[kinsagashi] searching for gold
厳探[gentan] strict search
伺い探る[ukagaisaguru] to spy out

私立探偵[shiritsutantei] private detective
手探り[tesaguri] fumbling
人探し[hitosagashi] searching for someone
あら探し[arasagashi] finding fault
探し求める[sagashimotomeru] to search for